145128880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139547}}^1$

素因数の和:139573

約数の個数: 40

約数和(自身を含む): 363382992

約数和(自身を除く): 218254112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 139547, 279094, 558188, 697735, 1116376, 1395470, 1814111, 2232752, 2790940, 3628222, 5581880, 7256444, 9070555, 11163760, 14512888, 18141110, 29025776, 36282220, 72564440, 145128880]

約数ペア:

[(1, 145128880), (2, 72564440), (4, 36282220), (5, 29025776), (8, 18141110), (10, 14512888), (13, 11163760), (16, 9070555), (20, 7256444), (26, 5581880), (40, 3628222), (52, 2790940), (65, 2232752), (80, 1814111), (104, 1395470), (130, 1116376), (208, 697735), (260, 558188), (520, 279094), (1040, 139547)]