87420710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{35393}}^1$

素因数の和:35432

約数の個数: 32

約数和(自身を含む): 178385760

約数和(自身を除く): 90965050

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 35393, 70786, 176965, 353930, 460109, 672467, 920218, 1344934, 2300545, 3362335, 4601090, 6724670, 8742071, 17484142, 43710355, 87420710]

約数ペア:

[(1, 87420710), (2, 43710355), (5, 17484142), (10, 8742071), (13, 6724670), (19, 4601090), (26, 3362335), (38, 2300545), (65, 1344934), (95, 920218), (130, 672467), (190, 460109), (247, 353930), (494, 176965), (1235, 70786), (2470, 35393)]