90741040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87251}}^1$

素因数の和:87277

約数の個数: 40

約数和(自身を含む): 227204208

約数和(自身を除く): 136463168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 87251, 174502, 349004, 436255, 698008, 872510, 1134263, 1396016, 1745020, 2268526, 3490040, 4537052, 5671315, 6980080, 9074104, 11342630, 18148208, 22685260, 45370520, 90741040]

約数ペア:

[(1, 90741040), (2, 45370520), (4, 22685260), (5, 18148208), (8, 11342630), (10, 9074104), (13, 6980080), (16, 5671315), (20, 4537052), (26, 3490040), (40, 2268526), (52, 1745020), (65, 1396016), (80, 1134263), (104, 872510), (130, 698008), (208, 436255), (260, 349004), (520, 174502), (1040, 87251)]