2638870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 5225472

約数和(自身を除く): 2586602

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 383, 530, 689, 766, 1378, 1915, 3445, 3830, 4979, 6890, 9958, 20299, 24895, 40598, 49790, 101495, 202990, 263887, 527774, 1319435, 2638870]

約数ペア:

[(1, 2638870), (2, 1319435), (5, 527774), (10, 263887), (13, 202990), (26, 101495), (53, 49790), (65, 40598), (106, 24895), (130, 20299), (265, 9958), (383, 6890), (530, 4979), (689, 3830), (766, 3445), (1378, 1915)]