8570540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 19837440

約数和(自身を除く): 11266900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 239, 326, 478, 652, 815, 956, 1195, 1630, 1793, 2390, 2629, 3260, 3586, 4780, 5258, 7172, 8965, 10516, 13145, 17930, 26290, 35860, 38957, 52580, 77914, 155828, 194785, 389570, 428527, 779140, 857054, 1714108, 2142635, 4285270, 8570540]

約数ペア:

[(1, 8570540), (2, 4285270), (4, 2142635), (5, 1714108), (10, 857054), (11, 779140), (20, 428527), (22, 389570), (44, 194785), (55, 155828), (110, 77914), (163, 52580), (220, 38957), (239, 35860), (326, 26290), (478, 17930), (652, 13145), (815, 10516), (956, 8965), (1195, 7172), (1630, 5258), (1793, 4780), (2390, 3586), (2629, 3260)]