80525968

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{122753}}^1$

素因数の和:122802

約数の個数: 20

約数和(自身を含む): 159825708

約数和(自身を除く): 79299740

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 122753, 245506, 491012, 982024, 1964048, 5032873, 10065746, 20131492, 40262984, 80525968]

約数ペア:

[(1, 80525968), (2, 40262984), (4, 20131492), (8, 10065746), (16, 5032873), (41, 1964048), (82, 982024), (164, 491012), (328, 245506), (656, 122753)]