91770640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{88241}}^1$

素因数の和:88267

約数の個数: 40

約数和(自身を含む): 229782168

約数和(自身を除く): 138011528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 88241, 176482, 352964, 441205, 705928, 882410, 1147133, 1411856, 1764820, 2294266, 3529640, 4588532, 5735665, 7059280, 9177064, 11471330, 18354128, 22942660, 45885320, 91770640]

約数ペア:

[(1, 91770640), (2, 45885320), (4, 22942660), (5, 18354128), (8, 11471330), (10, 9177064), (13, 7059280), (16, 5735665), (20, 4588532), (26, 3529640), (40, 2294266), (52, 1764820), (65, 1411856), (80, 1147133), (104, 882410), (130, 705928), (208, 441205), (260, 352964), (520, 176482), (1040, 88241)]