2902640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2791}}^1$

素因数の和:2817

約数の個数: 40

約数和(自身を含む): 7270368

約数和(自身を除く): 4367728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2791, 5582, 11164, 13955, 22328, 27910, 36283, 44656, 55820, 72566, 111640, 145132, 181415, 223280, 290264, 362830, 580528, 725660, 1451320, 2902640]

約数ペア:

[(1, 2902640), (2, 1451320), (4, 725660), (5, 580528), (8, 362830), (10, 290264), (13, 223280), (16, 181415), (20, 145132), (26, 111640), (40, 72566), (52, 55820), (65, 44656), (80, 36283), (104, 27910), (130, 22328), (208, 13955), (260, 11164), (520, 5582), (1040, 2791)]