89045840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{85621}}^1$

素因数の和:85647

約数の個数: 40

約数和(自身を含む): 222959688

約数和(自身を除く): 133913848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 85621, 171242, 342484, 428105, 684968, 856210, 1113073, 1369936, 1712420, 2226146, 3424840, 4452292, 5565365, 6849680, 8904584, 11130730, 17809168, 22261460, 44522920, 89045840]

約数ペア:

[(1, 89045840), (2, 44522920), (4, 22261460), (5, 17809168), (8, 11130730), (10, 8904584), (13, 6849680), (16, 5565365), (20, 4452292), (26, 3424840), (40, 2226146), (52, 1712420), (65, 1369936), (80, 1113073), (104, 856210), (130, 684968), (208, 428105), (260, 342484), (520, 171242), (1040, 85621)]