9211880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 21399660

約数和(自身を除く): 12187780

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 137, 164, 205, 274, 328, 410, 548, 685, 820, 1096, 1370, 1640, 1681, 2740, 3362, 5480, 5617, 6724, 8405, 11234, 13448, 16810, 22468, 28085, 33620, 44936, 56170, 67240, 112340, 224680, 230297, 460594, 921188, 1151485, 1842376, 2302970, 4605940, 9211880]

約数ペア:

[(1, 9211880), (2, 4605940), (4, 2302970), (5, 1842376), (8, 1151485), (10, 921188), (20, 460594), (40, 230297), (41, 224680), (82, 112340), (137, 67240), (164, 56170), (205, 44936), (274, 33620), (328, 28085), (410, 22468), (548, 16810), (685, 13448), (820, 11234), (1096, 8405), (1370, 6724), (1640, 5617), (1681, 5480), (2740, 3362)]