91064840

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13967}}^1$

素因数の和:14141

約数の個数: 32

約数和(自身を含む): 206167680

約数和(自身を除く): 115102840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 13967, 27934, 55868, 69835, 111736, 139670, 279340, 558680, 2276621, 4553242, 9106484, 11383105, 18212968, 22766210, 45532420, 91064840]

約数ペア:

[(1, 91064840), (2, 45532420), (4, 22766210), (5, 18212968), (8, 11383105), (10, 9106484), (20, 4553242), (40, 2276621), (163, 558680), (326, 279340), (652, 139670), (815, 111736), (1304, 69835), (1630, 55868), (3260, 27934), (6520, 13967)]