2587100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:686

約数の個数: 36

約数和(自身を含む): 5760048

約数和(自身を除く): 3172948

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 631, 820, 1025, 1262, 2050, 2524, 3155, 4100, 6310, 12620, 15775, 25871, 31550, 51742, 63100, 103484, 129355, 258710, 517420, 646775, 1293550, 2587100]

約数ペア:

[(1, 2587100), (2, 1293550), (4, 646775), (5, 517420), (10, 258710), (20, 129355), (25, 103484), (41, 63100), (50, 51742), (82, 31550), (100, 25871), (164, 15775), (205, 12620), (410, 6310), (631, 4100), (820, 3155), (1025, 2524), (1262, 2050)]