81252490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{25471}}^1$

素因数の和:25518

約数の個数: 32

約数和(自身を含む): 165058560

約数和(自身を除く): 83806070

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 25471, 50942, 127355, 254710, 280181, 560362, 738659, 1400905, 1477318, 2801810, 3693295, 7386590, 8125249, 16250498, 40626245, 81252490]

約数ペア:

[(1, 81252490), (2, 40626245), (5, 16250498), (10, 8125249), (11, 7386590), (22, 3693295), (29, 2801810), (55, 1477318), (58, 1400905), (110, 738659), (145, 560362), (290, 280181), (319, 254710), (638, 127355), (1595, 50942), (3190, 25471)]