4153820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 9676800

約数和(自身を除く): 5522980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 239, 316, 395, 478, 790, 869, 956, 1195, 1580, 1738, 2390, 2629, 3476, 4345, 4780, 5258, 8690, 10516, 13145, 17380, 18881, 26290, 37762, 52580, 75524, 94405, 188810, 207691, 377620, 415382, 830764, 1038455, 2076910, 4153820]

約数ペア:

[(1, 4153820), (2, 2076910), (4, 1038455), (5, 830764), (10, 415382), (11, 377620), (20, 207691), (22, 188810), (44, 94405), (55, 75524), (79, 52580), (110, 37762), (158, 26290), (220, 18881), (239, 17380), (316, 13145), (395, 10516), (478, 8690), (790, 5258), (869, 4780), (956, 4345), (1195, 3476), (1580, 2629), (1738, 2390)]