90553840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87071}}^1$

素因数の和:87097

約数の個数: 40

約数和(自身を含む): 226735488

約数和(自身を除く): 136181648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 87071, 174142, 348284, 435355, 696568, 870710, 1131923, 1393136, 1741420, 2263846, 3482840, 4527692, 5659615, 6965680, 9055384, 11319230, 18110768, 22638460, 45276920, 90553840]

約数ペア:

[(1, 90553840), (2, 45276920), (4, 22638460), (5, 18110768), (8, 11319230), (10, 9055384), (13, 6965680), (16, 5659615), (20, 4527692), (26, 3482840), (40, 2263846), (52, 1741420), (65, 1393136), (80, 1131923), (104, 870710), (130, 696568), (208, 435355), (260, 348284), (520, 174142), (1040, 87071)]