23328740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 51093504

約数和(自身を除く): 27764764

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 191, 197, 310, 382, 394, 620, 764, 788, 955, 985, 1910, 1970, 3820, 3940, 5921, 6107, 11842, 12214, 23684, 24428, 29605, 30535, 37627, 59210, 61070, 75254, 118420, 122140, 150508, 188135, 376270, 752540, 1166437, 2332874, 4665748, 5832185, 11664370, 23328740]

約数ペア:

[(1, 23328740), (2, 11664370), (4, 5832185), (5, 4665748), (10, 2332874), (20, 1166437), (31, 752540), (62, 376270), (124, 188135), (155, 150508), (191, 122140), (197, 118420), (310, 75254), (382, 61070), (394, 59210), (620, 37627), (764, 30535), (788, 29605), (955, 24428), (985, 23684), (1910, 12214), (1970, 11842), (3820, 6107), (3940, 5921)]