121516420

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{6131}}^1$

素因数の和:7131

約数の個数: 24

約数和(自身を含む): 255483648

約数和(自身を除く): 133967228

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 6131, 9910, 12262, 19820, 24524, 30655, 61310, 122620, 6075821, 12151642, 24303284, 30379105, 60758210, 121516420]

約数ペア:

[(1, 121516420), (2, 60758210), (4, 30379105), (5, 24303284), (10, 12151642), (20, 6075821), (991, 122620), (1982, 61310), (3964, 30655), (4955, 24524), (6131, 19820), (9910, 12262)]