89181040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{85751}}^1$

素因数の和:85777

約数の個数: 40

約数和(自身を含む): 223298208

約数和(自身を除く): 134117168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 85751, 171502, 343004, 428755, 686008, 857510, 1114763, 1372016, 1715020, 2229526, 3430040, 4459052, 5573815, 6860080, 8918104, 11147630, 17836208, 22295260, 44590520, 89181040]

約数ペア:

[(1, 89181040), (2, 44590520), (4, 22295260), (5, 17836208), (8, 11147630), (10, 8918104), (13, 6860080), (16, 5573815), (20, 4459052), (26, 3430040), (40, 2229526), (52, 1715020), (65, 1372016), (80, 1114763), (104, 857510), (130, 686008), (208, 428755), (260, 343004), (520, 171502), (1040, 85751)]