8460400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1627}}^1$

素因数の和:1658

約数の個数: 60

約数和(自身を含む): 21903112

約数和(自身を除く): 13442712

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, 1627, 2600, 3254, 5200, 6508, 8135, 13016, 16270, 21151, 26032, 32540, 40675, 42302, 65080, 81350, 84604, 105755, 130160, 162700, 169208, 211510, 325400, 338416, 423020, 528775, 650800, 846040, 1057550, 1692080, 2115100, 4230200, 8460400]

約数ペア:

[(1, 8460400), (2, 4230200), (4, 2115100), (5, 1692080), (8, 1057550), (10, 846040), (13, 650800), (16, 528775), (20, 423020), (25, 338416), (26, 325400), (40, 211510), (50, 169208), (52, 162700), (65, 130160), (80, 105755), (100, 84604), (104, 81350), (130, 65080), (200, 42302), (208, 40675), (260, 32540), (325, 26032), (400, 21151), (520, 16270), (650, 13016), (1040, 8135), (1300, 6508), (1627, 5200), (2600, 3254)]