4046740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 8999424

約数和(自身を除く): 4952684

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 107, 122, 124, 155, 214, 244, 305, 310, 428, 535, 610, 620, 1070, 1220, 1891, 2140, 3317, 3782, 6527, 6634, 7564, 9455, 13054, 13268, 16585, 18910, 26108, 32635, 33170, 37820, 65270, 66340, 130540, 202337, 404674, 809348, 1011685, 2023370, 4046740]

約数ペア:

[(1, 4046740), (2, 2023370), (4, 1011685), (5, 809348), (10, 404674), (20, 202337), (31, 130540), (61, 66340), (62, 65270), (107, 37820), (122, 33170), (124, 32635), (155, 26108), (214, 18910), (244, 16585), (305, 13268), (310, 13054), (428, 9455), (535, 7564), (610, 6634), (620, 6527), (1070, 3782), (1220, 3317), (1891, 2140)]