71208980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27179}}^1$

素因数の和:27319

約数の個数: 24

約数和(自身を含む): 150685920

約数和(自身を除く): 79476940

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 27179, 54358, 108716, 135895, 271790, 543580, 3560449, 7120898, 14241796, 17802245, 35604490, 71208980]

約数ペア:

[(1, 71208980), (2, 35604490), (4, 17802245), (5, 14241796), (10, 7120898), (20, 3560449), (131, 543580), (262, 271790), (524, 135895), (655, 108716), (1310, 54358), (2620, 27179)]