26489980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^2$

素因数の和:714

約数の個数: 36

約数和(自身を含む): 60861528

約数和(自身を除く): 34371548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 347, 694, 1388, 1735, 3470, 3817, 6940, 7634, 15268, 19085, 38170, 76340, 120409, 240818, 481636, 602045, 1204090, 1324499, 2408180, 2648998, 5297996, 6622495, 13244990, 26489980]

約数ペア:

[(1, 26489980), (2, 13244990), (4, 6622495), (5, 5297996), (10, 2648998), (11, 2408180), (20, 1324499), (22, 1204090), (44, 602045), (55, 481636), (110, 240818), (220, 120409), (347, 76340), (694, 38170), (1388, 19085), (1735, 15268), (3470, 7634), (3817, 6940)]