155662420

素因数分解:

$2^2\times 5^1\times {\mathrm{2213}}^1\times {\mathrm{3517}}^1$

素因数の和:5739

約数の個数: 24

約数和(自身を含む): 327131784

約数和(自身を除く): 171469364

約数列:

[1, 2, 4, 5, 10, 20, 2213, 3517, 4426, 7034, 8852, 11065, 14068, 17585, 22130, 35170, 44260, 70340, 7783121, 15566242, 31132484, 38915605, 77831210, 155662420]

約数ペア:

[(1, 155662420), (2, 77831210), (4, 38915605), (5, 31132484), (10, 15566242), (20, 7783121), (2213, 70340), (3517, 44260), (4426, 35170), (7034, 22130), (8852, 17585), (11065, 14068)]