164179600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31573}}^1$

素因数の和:31604

約数の個数: 60

約数和(自身を含む): 424796596

約数和(自身を除く): 260616996

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 31573, 63146, 126292, 157865, 252584, 315730, 410449, 505168, 631460, 789325, 820898, 1262920, 1578650, 1641796, 2052245, 2525840, 3157300, 3283592, 4104490, 6314600, 6567184, 8208980, 10261225, 12629200, 16417960, 20522450, 32835920, 41044900, 82089800, 164179600]

約数ペア:

[(1, 164179600), (2, 82089800), (4, 41044900), (5, 32835920), (8, 20522450), (10, 16417960), (13, 12629200), (16, 10261225), (20, 8208980), (25, 6567184), (26, 6314600), (40, 4104490), (50, 3283592), (52, 3157300), (65, 2525840), (80, 2052245), (100, 1641796), (104, 1578650), (130, 1262920), (200, 820898), (208, 789325), (260, 631460), (325, 505168), (400, 410449), (520, 315730), (650, 252584), (1040, 157865), (1300, 126292), (2600, 63146), (5200, 31573)]