1118806420

素因数分解:

$2^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{43331}}^1$

素因数の和:44631

約数の個数: 24

約数和(自身を含む): 2351367648

約数和(自身を除く): 1232561228

約数列:

[1, 2, 4, 5, 10, 20, 1291, 2582, 5164, 6455, 12910, 25820, 43331, 86662, 173324, 216655, 433310, 866620, 55940321, 111880642, 223761284, 279701605, 559403210, 1118806420]

約数ペア:

[(1, 1118806420), (2, 559403210), (4, 279701605), (5, 223761284), (10, 111880642), (20, 55940321), (1291, 866620), (2582, 433310), (5164, 216655), (6455, 173324), (12910, 86662), (25820, 43331)]