2479539640

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{138059}}^1$

素因数の和:138519

約数の個数: 32

約数和(自身を含む): 5591430000

約数和(自身を除く): 3111890360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 4490, 8980, 17960, 138059, 276118, 552236, 690295, 1104472, 1380590, 2761180, 5522360, 61988491, 123976982, 247953964, 309942455, 495907928, 619884910, 1239769820, 2479539640]

約数ペア:

[(1, 2479539640), (2, 1239769820), (4, 619884910), (5, 495907928), (8, 309942455), (10, 247953964), (20, 123976982), (40, 61988491), (449, 5522360), (898, 2761180), (1796, 1380590), (2245, 1104472), (3592, 690295), (4490, 552236), (8980, 276118), (17960, 138059)]