67641220

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{3319}}^1$

素因数の和:4347

約数の個数: 24

約数和(自身を含む): 142228800

約数和(自身を除く): 74587580

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 3319, 4076, 5095, 6638, 10190, 13276, 16595, 20380, 33190, 66380, 3382061, 6764122, 13528244, 16910305, 33820610, 67641220]

約数ペア:

[(1, 67641220), (2, 33820610), (4, 16910305), (5, 13528244), (10, 6764122), (20, 3382061), (1019, 66380), (2038, 33190), (3319, 20380), (4076, 16595), (5095, 13276), (6638, 10190)]