99769840

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2239}}^1$

素因数の和:2809

約数の個数: 40

約数和(自身を含む): 232485120

約数和(自身を除く): 132715280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2239, 2785, 4456, 4478, 5570, 8912, 8956, 11140, 11195, 17912, 22280, 22390, 35824, 44560, 44780, 89560, 179120, 1247123, 2494246, 4988492, 6235615, 9976984, 12471230, 19953968, 24942460, 49884920, 99769840]

約数ペア:

[(1, 99769840), (2, 49884920), (4, 24942460), (5, 19953968), (8, 12471230), (10, 9976984), (16, 6235615), (20, 4988492), (40, 2494246), (80, 1247123), (557, 179120), (1114, 89560), (2228, 44780), (2239, 44560), (2785, 35824), (4456, 22390), (4478, 22280), (5570, 17912), (8912, 11195), (8956, 11140)]