53781875

素因数分解:

$5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:693

約数の個数: 40

約数和(自身を含む): 80974080

約数和(自身を除く): 27192205

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 475, 625, 647, 665, 875, 2375, 3235, 3325, 4375, 4529, 11875, 12293, 16175, 16625, 22645, 61465, 80875, 83125, 86051, 113225, 307325, 404375, 430255, 566125, 1536625, 2151275, 2830625, 7683125, 10756375, 53781875]

約数ペア:

[(1, 53781875), (5, 10756375), (7, 7683125), (19, 2830625), (25, 2151275), (35, 1536625), (95, 566125), (125, 430255), (133, 404375), (175, 307325), (475, 113225), (625, 86051), (647, 83125), (665, 80875), (875, 61465), (2375, 22645), (3235, 16625), (3325, 16175), (4375, 12293), (4529, 11875)]