25730493640

素因数分解:

$2^3\times 5^1\times {\mathrm{4051}}^1\times {\mathrm{158791}}^1$

素因数の和:162853

約数の個数: 32

約数和(自身を含む): 57908266560

約数和(自身を除く): 32177772920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4051, 8102, 16204, 20255, 32408, 40510, 81020, 158791, 162040, 317582, 635164, 793955, 1270328, 1587910, 3175820, 6351640, 643262341, 1286524682, 2573049364, 3216311705, 5146098728, 6432623410, 12865246820, 25730493640]

約数ペア:

[(1, 25730493640), (2, 12865246820), (4, 6432623410), (5, 5146098728), (8, 3216311705), (10, 2573049364), (20, 1286524682), (40, 643262341), (4051, 6351640), (8102, 3175820), (16204, 1587910), (20255, 1270328), (32408, 793955), (40510, 635164), (81020, 317582), (158791, 162040)]