2540021.00000000

素因数分解:

$2^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{3251}}^1$

素因数の和:3446

約数の個数: 36

約数和(自身を含む): 128434488

約数和(自身を除く): 69591388

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 181, 362, 724, 905, 1810, 3251, 3620, 4525, 6502, 9050, 13004, 16255, 18100, 32510, 65020, 81275, 162550, 325100, 588431, 1176862, 2353724, 2942155, 5884310, 11768620, 14710775, 29421550, 58843100]

約数ペア:

[(1, 58843100), (2, 29421550), (4, 14710775), (5, 11768620), (10, 5884310), (20, 2942155), (25, 2353724), (50, 1176862), (100, 588431), (181, 325100), (362, 162550), (724, 81275), (905, 65020), (1810, 32510), (3251, 18100), (3620, 16255), (4525, 13004), (6502, 9050)]