3942640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 10499328

約数和(自身を除く): 6556688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 223, 260, 272, 340, 442, 446, 520, 680, 884, 892, 1040, 1105, 1115, 1360, 1768, 1784, 2210, 2230, 2899, 3536, 3568, 3791, 4420, 4460, 5798, 7582, 8840, 8920, 11596, 14495, 15164, 17680, 17840, 18955, 23192, 28990, 30328, 37910, 46384, 49283, 57980, 60656, 75820, 98566, 115960, 151640, 197132, 231920, 246415, 303280, 394264, 492830, 788528, 985660, 1971320, 3942640]

約数ペア:

[(1, 3942640), (2, 1971320), (4, 985660), (5, 788528), (8, 492830), (10, 394264), (13, 303280), (16, 246415), (17, 231920), (20, 197132), (26, 151640), (34, 115960), (40, 98566), (52, 75820), (65, 60656), (68, 57980), (80, 49283), (85, 46384), (104, 37910), (130, 30328), (136, 28990), (170, 23192), (208, 18955), (221, 17840), (223, 17680), (260, 15164), (272, 14495), (340, 11596), (442, 8920), (446, 8840), (520, 7582), (680, 5798), (884, 4460), (892, 4420), (1040, 3791), (1105, 3568), (1115, 3536), (1360, 2899), (1768, 2230), (1784, 2210)]