67128380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{27739}}^1$

素因数の和:27770

約数の個数: 36

約数和(自身を含む): 154955640

約数和(自身を除く): 87827260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 27739, 55478, 110956, 138695, 277390, 305129, 554780, 610258, 1220516, 1525645, 3051290, 3356419, 6102580, 6712838, 13425676, 16782095, 33564190, 67128380]

約数ペア:

[(1, 67128380), (2, 33564190), (4, 16782095), (5, 13425676), (10, 6712838), (11, 6102580), (20, 3356419), (22, 3051290), (44, 1525645), (55, 1220516), (110, 610258), (121, 554780), (220, 305129), (242, 277390), (484, 138695), (605, 110956), (1210, 55478), (2420, 27739)]