9815840

素因数分解:

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

素因数の和:2025

約数の個数: 48

約数和(自身を含む): 23950080

約数和(自身を除く): 14134240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 1979, 2480, 3958, 4960, 7916, 9895, 15832, 19790, 31664, 39580, 61349, 63328, 79160, 122698, 158320, 245396, 306745, 316640, 490792, 613490, 981584, 1226980, 1963168, 2453960, 4907920, 9815840]

約数ペア:

[(1, 9815840), (2, 4907920), (4, 2453960), (5, 1963168), (8, 1226980), (10, 981584), (16, 613490), (20, 490792), (31, 316640), (32, 306745), (40, 245396), (62, 158320), (80, 122698), (124, 79160), (155, 63328), (160, 61349), (248, 39580), (310, 31664), (496, 19790), (620, 15832), (992, 9895), (1240, 7916), (1979, 4960), (2480, 3958)]