39681616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2687}}^1$

素因数の和:2779

約数の個数: 40

約数和(自身を含む): 83994624

約数和(自身を除く): 44313008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 2687, 3692, 5374, 7384, 10748, 14768, 21496, 34931, 42992, 69862, 139724, 190777, 279448, 381554, 558896, 763108, 1526216, 2480101, 3052432, 4960202, 9920404, 19840808, 39681616]

約数ペア:

[(1, 39681616), (2, 19840808), (4, 9920404), (8, 4960202), (13, 3052432), (16, 2480101), (26, 1526216), (52, 763108), (71, 558896), (104, 381554), (142, 279448), (208, 190777), (284, 139724), (568, 69862), (923, 42992), (1136, 34931), (1846, 21496), (2687, 14768), (3692, 10748), (5374, 7384)]