26351380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10889}}^1$

素因数の和:10920

約数の個数: 36

約数和(自身を含む): 60831540

約数和(自身を除く): 34480160

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 10889, 21778, 43556, 54445, 108890, 119779, 217780, 239558, 479116, 598895, 1197790, 1317569, 2395580, 2635138, 5270276, 6587845, 13175690, 26351380]

約数ペア:

[(1, 26351380), (2, 13175690), (4, 6587845), (5, 5270276), (10, 2635138), (11, 2395580), (20, 1317569), (22, 1197790), (44, 598895), (55, 479116), (110, 239558), (121, 217780), (220, 119779), (242, 108890), (484, 54445), (605, 43556), (1210, 21778), (2420, 10889)]