91999960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{176923}}^1$

素因数の和:176947

約数の個数: 32

約数和(自身を含む): 222924240

約数和(自身を除く): 130924280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 176923, 353846, 707692, 884615, 1415384, 1769230, 2299999, 3538460, 4599998, 7076920, 9199996, 11499995, 18399992, 22999990, 45999980, 91999960]

約数ペア:

[(1, 91999960), (2, 45999980), (4, 22999990), (5, 18399992), (8, 11499995), (10, 9199996), (13, 7076920), (20, 4599998), (26, 3538460), (40, 2299999), (52, 1769230), (65, 1415384), (104, 884615), (130, 707692), (260, 353846), (520, 176923)]