72205580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{50849}}^1$

素因数の和:50929

約数の個数: 24

約数和(自身を含む): 153770400

約数和(自身を除く): 81564820

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 50849, 101698, 203396, 254245, 508490, 1016980, 3610279, 7220558, 14441116, 18051395, 36102790, 72205580]

約数ペア:

[(1, 72205580), (2, 36102790), (4, 18051395), (5, 14441116), (10, 7220558), (20, 3610279), (71, 1016980), (142, 508490), (284, 254245), (355, 203396), (710, 101698), (1420, 50849)]