74281520

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1667}}^1$

素因数の和:2237

約数の個数: 40

約数和(自身を含む): 173118384

約数和(自身を除く): 98836864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 1667, 2228, 2785, 3334, 4456, 5570, 6668, 8335, 8912, 11140, 13336, 16670, 22280, 26672, 33340, 44560, 66680, 133360, 928519, 1857038, 3714076, 4642595, 7428152, 9285190, 14856304, 18570380, 37140760, 74281520]

約数ペア:

[(1, 74281520), (2, 37140760), (4, 18570380), (5, 14856304), (8, 9285190), (10, 7428152), (16, 4642595), (20, 3714076), (40, 1857038), (80, 928519), (557, 133360), (1114, 66680), (1667, 44560), (2228, 33340), (2785, 26672), (3334, 22280), (4456, 16670), (5570, 13336), (6668, 11140), (8335, 8912)]