28635280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18839}}^1$

素因数の和:18871

約数の個数: 40

約数和(自身を含む): 70084800

約数和(自身を除く): 41449520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18839, 37678, 75356, 94195, 150712, 188390, 301424, 357941, 376780, 715882, 753560, 1431764, 1507120, 1789705, 2863528, 3579410, 5727056, 7158820, 14317640, 28635280]

約数ペア:

[(1, 28635280), (2, 14317640), (4, 7158820), (5, 5727056), (8, 3579410), (10, 2863528), (16, 1789705), (19, 1507120), (20, 1431764), (38, 753560), (40, 715882), (76, 376780), (80, 357941), (95, 301424), (152, 188390), (190, 150712), (304, 94195), (380, 75356), (760, 37678), (1520, 18839)]