39849980

素因数分解:

$2^2\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{1553}}^1$

素因数の和:2845

約数の個数: 24

約数和(自身を含む): 83804112

約数和(自身を除く): 43954132

約数列:

[1, 2, 4, 5, 10, 20, 1283, 1553, 2566, 3106, 5132, 6212, 6415, 7765, 12830, 15530, 25660, 31060, 1992499, 3984998, 7969996, 9962495, 19924990, 39849980]

約数ペア:

[(1, 39849980), (2, 19924990), (4, 9962495), (5, 7969996), (10, 3984998), (20, 1992499), (1283, 31060), (1553, 25660), (2566, 15530), (3106, 12830), (5132, 7765), (6212, 6415)]