40977040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 120

約数和(自身を含む): 108602424

約数和(自身を除く): 67625384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 41, 52, 62, 65, 80, 82, 104, 124, 130, 155, 164, 205, 208, 248, 260, 310, 328, 403, 410, 496, 520, 533, 620, 656, 806, 820, 961, 1040, 1066, 1240, 1271, 1612, 1640, 1922, 2015, 2132, 2480, 2542, 2665, 3224, 3280, 3844, 4030, 4264, 4805, 5084, 5330, 6355, 6448, 7688, 8060, 8528, 9610, 10168, 10660, 12493, 12710, 15376, 16120, 16523, 19220, 20336, 21320, 24986, 25420, 32240, 33046, 38440, 39401, 42640, 49972, 50840, 62465, 66092, 76880, 78802, 82615, 99944, 101680, 124930, 132184, 157604, 165230, 197005, 199888, 249860, 264368, 315208, 330460, 394010, 499720, 512213, 630416, 660920, 788020, 999440, 1024426, 1321840, 1576040, 2048852, 2561065, 3152080, 4097704, 5122130, 8195408, 10244260, 20488520, 40977040]

約数ペア:

[(1, 40977040), (2, 20488520), (4, 10244260), (5, 8195408), (8, 5122130), (10, 4097704), (13, 3152080), (16, 2561065), (20, 2048852), (26, 1576040), (31, 1321840), (40, 1024426), (41, 999440), (52, 788020), (62, 660920), (65, 630416), (80, 512213), (82, 499720), (104, 394010), (124, 330460), (130, 315208), (155, 264368), (164, 249860), (205, 199888), (208, 197005), (248, 165230), (260, 157604), (310, 132184), (328, 124930), (403, 101680), (410, 99944), (496, 82615), (520, 78802), (533, 76880), (620, 66092), (656, 62465), (806, 50840), (820, 49972), (961, 42640), (1040, 39401), (1066, 38440), (1240, 33046), (1271, 32240), (1612, 25420), (1640, 24986), (1922, 21320), (2015, 20336), (2132, 19220), (2480, 16523), (2542, 16120), (2665, 15376), (3224, 12710), (3280, 12493), (3844, 10660), (4030, 10168), (4264, 9610), (4805, 8528), (5084, 8060), (5330, 7688), (6355, 6448)]