25638620450

素因数分解:

$2^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{389}}^1\times {\mathrm{8087}}^1$

素因数の和:8651

約数の個数: 48

約数和(自身を含む): 48109688640

約数和(自身を除く): 22471068190

約数列:

[1, 2, 5, 10, 25, 50, 163, 326, 389, 778, 815, 1630, 1945, 3890, 4075, 8087, 8150, 9725, 16174, 19450, 40435, 63407, 80870, 126814, 202175, 317035, 404350, 634070, 1318181, 1585175, 2636362, 3145843, 3170350, 6291686, 6590905, 13181810, 15729215, 31458430, 32954525, 65909050, 78646075, 157292150, 512772409, 1025544818, 2563862045, 5127724090, 12819310225, 25638620450]

約数ペア:

[(1, 25638620450), (2, 12819310225), (5, 5127724090), (10, 2563862045), (25, 1025544818), (50, 512772409), (163, 157292150), (326, 78646075), (389, 65909050), (778, 32954525), (815, 31458430), (1630, 15729215), (1945, 13181810), (3890, 6590905), (4075, 6291686), (8087, 3170350), (8150, 3145843), (9725, 2636362), (16174, 1585175), (19450, 1318181), (40435, 634070), (63407, 404350), (80870, 317035), (126814, 202175)]