2453960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 5702400

約数和(自身を除く): 3248440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1979, 3958, 7916, 9895, 15832, 19790, 39580, 61349, 79160, 122698, 245396, 306745, 490792, 613490, 1226980, 2453960]

約数ペア:

[(1, 2453960), (2, 1226980), (4, 613490), (5, 490792), (8, 306745), (10, 245396), (20, 122698), (31, 79160), (40, 61349), (62, 39580), (124, 19790), (155, 15832), (248, 9895), (310, 7916), (620, 3958), (1240, 1979)]