202142980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{777473}}^1$

素因数の和:777495

約数の個数: 24

約数和(自身を含む): 457154712

約数和(自身を除く): 255011732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 777473, 1554946, 3109892, 3887365, 7774730, 10107149, 15549460, 20214298, 40428596, 50535745, 101071490, 202142980]

約数ペア:

[(1, 202142980), (2, 101071490), (4, 50535745), (5, 40428596), (10, 20214298), (13, 15549460), (20, 10107149), (26, 7774730), (52, 3887365), (65, 3109892), (130, 1554946), (260, 777473)]