51408200

素因数分解:

$2^3\times 5^2\times {\mathrm{401}}^1\times {\mathrm{641}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 120009060

約数和(自身を除く): 68600860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 401, 641, 802, 1282, 1604, 2005, 2564, 3205, 3208, 4010, 5128, 6410, 8020, 10025, 12820, 16025, 16040, 20050, 25640, 32050, 40100, 64100, 80200, 128200, 257041, 514082, 1028164, 1285205, 2056328, 2570410, 5140820, 6426025, 10281640, 12852050, 25704100, 51408200]

約数ペア:

[(1, 51408200), (2, 25704100), (4, 12852050), (5, 10281640), (8, 6426025), (10, 5140820), (20, 2570410), (25, 2056328), (40, 1285205), (50, 1028164), (100, 514082), (200, 257041), (401, 128200), (641, 80200), (802, 64100), (1282, 40100), (1604, 32050), (2005, 25640), (2564, 20050), (3205, 16040), (3208, 16025), (4010, 12820), (5128, 10025), (6410, 8020)]