2605550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:125

約数の個数: 36

約数和(自身を含む): 5127648

約数和(自身を除く): 2522098

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 82, 155, 205, 310, 410, 775, 1025, 1271, 1550, 1681, 2050, 2542, 3362, 6355, 8405, 12710, 16810, 31775, 42025, 52111, 63550, 84050, 104222, 260555, 521110, 1302775, 2605550]

約数ペア:

[(1, 2605550), (2, 1302775), (5, 521110), (10, 260555), (25, 104222), (31, 84050), (41, 63550), (50, 52111), (62, 42025), (82, 31775), (155, 16810), (205, 12710), (310, 8405), (410, 6355), (775, 3362), (1025, 2542), (1271, 2050), (1550, 1681)]