40009840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 160

約数和(自身を含む): 110992896

約数和(自身を除く): 70983056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 73, 80, 85, 104, 124, 130, 136, 146, 155, 170, 208, 221, 248, 260, 272, 292, 310, 340, 365, 403, 442, 496, 520, 527, 584, 620, 680, 730, 806, 884, 949, 1040, 1054, 1105, 1168, 1240, 1241, 1360, 1460, 1612, 1768, 1898, 2015, 2108, 2210, 2263, 2480, 2482, 2635, 2920, 3224, 3536, 3796, 4030, 4216, 4420, 4526, 4745, 4964, 5270, 5840, 6205, 6448, 6851, 7592, 8060, 8432, 8840, 9052, 9490, 9928, 10540, 11315, 12410, 13702, 15184, 16120, 16133, 17680, 18104, 18980, 19856, 21080, 22630, 24820, 27404, 29419, 32240, 32266, 34255, 36208, 37960, 38471, 42160, 45260, 49640, 54808, 58838, 64532, 68510, 75920, 76942, 80665, 90520, 99280, 109616, 117676, 129064, 137020, 147095, 153884, 161330, 181040, 192355, 235352, 258128, 274040, 294190, 307768, 322660, 384710, 470704, 500123, 548080, 588380, 615536, 645320, 769420, 1000246, 1176760, 1290640, 1538840, 2000492, 2353520, 2500615, 3077680, 4000984, 5001230, 8001968, 10002460, 20004920, 40009840]

約数ペア:

[(1, 40009840), (2, 20004920), (4, 10002460), (5, 8001968), (8, 5001230), (10, 4000984), (13, 3077680), (16, 2500615), (17, 2353520), (20, 2000492), (26, 1538840), (31, 1290640), (34, 1176760), (40, 1000246), (52, 769420), (62, 645320), (65, 615536), (68, 588380), (73, 548080), (80, 500123), (85, 470704), (104, 384710), (124, 322660), (130, 307768), (136, 294190), (146, 274040), (155, 258128), (170, 235352), (208, 192355), (221, 181040), (248, 161330), (260, 153884), (272, 147095), (292, 137020), (310, 129064), (340, 117676), (365, 109616), (403, 99280), (442, 90520), (496, 80665), (520, 76942), (527, 75920), (584, 68510), (620, 64532), (680, 58838), (730, 54808), (806, 49640), (884, 45260), (949, 42160), (1040, 38471), (1054, 37960), (1105, 36208), (1168, 34255), (1240, 32266), (1241, 32240), (1360, 29419), (1460, 27404), (1612, 24820), (1768, 22630), (1898, 21080), (2015, 19856), (2108, 18980), (2210, 18104), (2263, 17680), (2480, 16133), (2482, 16120), (2635, 15184), (2920, 13702), (3224, 12410), (3536, 11315), (3796, 10540), (4030, 9928), (4216, 9490), (4420, 9052), (4526, 8840), (4745, 8432), (4964, 8060), (5270, 7592), (5840, 6851), (6205, 6448)]