69918980

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{2683}}^1$

素因数の和:3995

約数の個数: 24

約数和(自身を含む): 146997312

約数和(自身を除く): 77078332

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2606, 2683, 5212, 5366, 6515, 10732, 13030, 13415, 26060, 26830, 53660, 3495949, 6991898, 13983796, 17479745, 34959490, 69918980]

約数ペア:

[(1, 69918980), (2, 34959490), (4, 17479745), (5, 13983796), (10, 6991898), (20, 3495949), (1303, 53660), (2606, 26830), (2683, 26060), (5212, 13415), (5366, 13030), (6515, 10732)]