16920800

素因数分解:

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

素因数の和:1660

約数の個数: 72

約数和(自身を含む): 44512776

約数和(自身を除く): 27591976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 1627, 2080, 2600, 3254, 5200, 6508, 8135, 10400, 13016, 16270, 21151, 26032, 32540, 40675, 42302, 52064, 65080, 81350, 84604, 105755, 130160, 162700, 169208, 211510, 260320, 325400, 338416, 423020, 528775, 650800, 676832, 846040, 1057550, 1301600, 1692080, 2115100, 3384160, 4230200, 8460400, 16920800]

約数ペア:

[(1, 16920800), (2, 8460400), (4, 4230200), (5, 3384160), (8, 2115100), (10, 1692080), (13, 1301600), (16, 1057550), (20, 846040), (25, 676832), (26, 650800), (32, 528775), (40, 423020), (50, 338416), (52, 325400), (65, 260320), (80, 211510), (100, 169208), (104, 162700), (130, 130160), (160, 105755), (200, 84604), (208, 81350), (260, 65080), (325, 52064), (400, 42302), (416, 40675), (520, 32540), (650, 26032), (800, 21151), (1040, 16270), (1300, 13016), (1627, 10400), (2080, 8135), (2600, 6508), (3254, 5200)]