72038140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{25913}}^1$

素因数の和:26061

約数の個数: 24

約数和(自身を含む): 152374320

約数和(自身を除く): 80336180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 25913, 51826, 103652, 129565, 259130, 518260, 3601907, 7203814, 14407628, 18009535, 36019070, 72038140]

約数ペア:

[(1, 72038140), (2, 36019070), (4, 18009535), (5, 14407628), (10, 7203814), (20, 3601907), (139, 518260), (278, 259130), (556, 129565), (695, 103652), (1390, 51826), (2780, 25913)]