49884920

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2239}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 112492800

約数和(自身を除く): 62607880

約数列:

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

約数ペア:

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