4987900

素因数分解:

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

素因数の和:1654

約数の個数: 36

約数和(自身を含む): 11179840

約数和(自身を除く): 6191940

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 1609, 3100, 3218, 6436, 8045, 16090, 32180, 40225, 49879, 80450, 99758, 160900, 199516, 249395, 498790, 997580, 1246975, 2493950, 4987900]

約数ペア:

[(1, 4987900), (2, 2493950), (4, 1246975), (5, 997580), (10, 498790), (20, 249395), (25, 199516), (31, 160900), (50, 99758), (62, 80450), (100, 49879), (124, 40225), (155, 32180), (310, 16090), (620, 8045), (775, 6436), (1550, 3218), (1609, 3100)]