9975800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1656

約数の個数: 48

約数和(自身を含む): 23956800

約数和(自身を除く): 13981000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 1609, 3100, 3218, 6200, 6436, 8045, 12872, 16090, 32180, 40225, 49879, 64360, 80450, 99758, 160900, 199516, 249395, 321800, 399032, 498790, 997580, 1246975, 1995160, 2493950, 4987900, 9975800]

約数ペア:

[(1, 9975800), (2, 4987900), (4, 2493950), (5, 1995160), (8, 1246975), (10, 997580), (20, 498790), (25, 399032), (31, 321800), (40, 249395), (50, 199516), (62, 160900), (100, 99758), (124, 80450), (155, 64360), (200, 49879), (248, 40225), (310, 32180), (620, 16090), (775, 12872), (1240, 8045), (1550, 6436), (1609, 6200), (3100, 3218)]