16880275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 22569984

約数和(自身を除く): 5689709

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 947, 3565, 4735, 17825, 21781, 23675, 29357, 108905, 146785, 544525, 675211, 733925, 3376055, 16880275]

約数ペア:

[(1, 16880275), (5, 3376055), (23, 733925), (25, 675211), (31, 544525), (115, 146785), (155, 108905), (575, 29357), (713, 23675), (775, 21781), (947, 17825), (3565, 4735)]