128833400

素因数分解:

$2^3\times 5^2\times {\mathrm{271}}^1\times {\mathrm{2377}}^1$

素因数の和:2664

約数の個数: 48

約数和(自身を含む): 300769440

約数和(自身を除く): 171936040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 271, 542, 1084, 1355, 2168, 2377, 2710, 4754, 5420, 6775, 9508, 10840, 11885, 13550, 19016, 23770, 27100, 47540, 54200, 59425, 95080, 118850, 237700, 475400, 644167, 1288334, 2576668, 3220835, 5153336, 6441670, 12883340, 16104175, 25766680, 32208350, 64416700, 128833400]

約数ペア:

[(1, 128833400), (2, 64416700), (4, 32208350), (5, 25766680), (8, 16104175), (10, 12883340), (20, 6441670), (25, 5153336), (40, 3220835), (50, 2576668), (100, 1288334), (200, 644167), (271, 475400), (542, 237700), (1084, 118850), (1355, 95080), (2168, 59425), (2377, 54200), (2710, 47540), (4754, 27100), (5420, 23770), (6775, 19016), (9508, 13550), (10840, 11885)]