53972200

素因数分解:

$2^3\times 5^2\times {\mathrm{421}}^1\times {\mathrm{641}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 125979660

約数和(自身を除く): 72007460

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 421, 641, 842, 1282, 1684, 2105, 2564, 3205, 3368, 4210, 5128, 6410, 8420, 10525, 12820, 16025, 16840, 21050, 25640, 32050, 42100, 64100, 84200, 128200, 269861, 539722, 1079444, 1349305, 2158888, 2698610, 5397220, 6746525, 10794440, 13493050, 26986100, 53972200]

約数ペア:

[(1, 53972200), (2, 26986100), (4, 13493050), (5, 10794440), (8, 6746525), (10, 5397220), (20, 2698610), (25, 2158888), (40, 1349305), (50, 1079444), (100, 539722), (200, 269861), (421, 128200), (641, 84200), (842, 64100), (1282, 42100), (1684, 32050), (2105, 25640), (2564, 21050), (3205, 16840), (3368, 16025), (4210, 12820), (5128, 10525), (6410, 8420)]