4907920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2023

約数の個数: 40

約数和(自身を含む): 11784960

約数和(自身を除く): 6877040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 1979, 2480, 3958, 7916, 9895, 15832, 19790, 31664, 39580, 61349, 79160, 122698, 158320, 245396, 306745, 490792, 613490, 981584, 1226980, 2453960, 4907920]

約数ペア:

[(1, 4907920), (2, 2453960), (4, 1226980), (5, 981584), (8, 613490), (10, 490792), (16, 306745), (20, 245396), (31, 158320), (40, 122698), (62, 79160), (80, 61349), (124, 39580), (155, 31664), (248, 19790), (310, 15832), (496, 9895), (620, 7916), (1240, 3958), (1979, 2480)]