40768720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1028

約数の個数: 80

約数和(自身を含む): 103707648

約数和(自身を除く): 62938928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 967, 1054, 1240, 1360, 1934, 2108, 2480, 2635, 3868, 4216, 4835, 5270, 7736, 8432, 9670, 10540, 15472, 16439, 19340, 21080, 29977, 32878, 38680, 42160, 59954, 65756, 77360, 82195, 119908, 131512, 149885, 164390, 239816, 263024, 299770, 328780, 479632, 509609, 599540, 657560, 1019218, 1199080, 1315120, 2038436, 2398160, 2548045, 4076872, 5096090, 8153744, 10192180, 20384360, 40768720]

約数ペア:

[(1, 40768720), (2, 20384360), (4, 10192180), (5, 8153744), (8, 5096090), (10, 4076872), (16, 2548045), (17, 2398160), (20, 2038436), (31, 1315120), (34, 1199080), (40, 1019218), (62, 657560), (68, 599540), (80, 509609), (85, 479632), (124, 328780), (136, 299770), (155, 263024), (170, 239816), (248, 164390), (272, 149885), (310, 131512), (340, 119908), (496, 82195), (527, 77360), (620, 65756), (680, 59954), (967, 42160), (1054, 38680), (1240, 32878), (1360, 29977), (1934, 21080), (2108, 19340), (2480, 16439), (2635, 15472), (3868, 10540), (4216, 9670), (4835, 8432), (5270, 7736)]