42111620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2129}}^1$

素因数の和:2204

約数の個数: 48

約数和(自身を含む): 94469760

約数和(自身を除く): 52358140

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 2129, 3956, 4258, 4945, 8516, 9890, 10645, 19780, 21290, 42580, 48967, 91547, 97934, 183094, 195868, 244835, 366188, 457735, 489670, 915470, 979340, 1830940, 2105581, 4211162, 8422324, 10527905, 21055810, 42111620]

約数ペア:

[(1, 42111620), (2, 21055810), (4, 10527905), (5, 8422324), (10, 4211162), (20, 2105581), (23, 1830940), (43, 979340), (46, 915470), (86, 489670), (92, 457735), (115, 366188), (172, 244835), (215, 195868), (230, 183094), (430, 97934), (460, 91547), (860, 48967), (989, 42580), (1978, 21290), (2129, 19780), (3956, 10645), (4258, 9890), (4945, 8516)]