51684400

素因数分解:

$2^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{823}}^1$

素因数の和:998

約数の個数: 60

約数和(自身を含む): 125114512

約数和(自身を除く): 73430112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 200, 314, 400, 628, 785, 823, 1256, 1570, 1646, 2512, 3140, 3292, 3925, 4115, 6280, 6584, 7850, 8230, 12560, 13168, 15700, 16460, 20575, 31400, 32920, 41150, 62800, 65840, 82300, 129211, 164600, 258422, 329200, 516844, 646055, 1033688, 1292110, 2067376, 2584220, 3230275, 5168440, 6460550, 10336880, 12921100, 25842200, 51684400]

約数ペア:

[(1, 51684400), (2, 25842200), (4, 12921100), (5, 10336880), (8, 6460550), (10, 5168440), (16, 3230275), (20, 2584220), (25, 2067376), (40, 1292110), (50, 1033688), (80, 646055), (100, 516844), (157, 329200), (200, 258422), (314, 164600), (400, 129211), (628, 82300), (785, 65840), (823, 62800), (1256, 41150), (1570, 32920), (1646, 31400), (2512, 20575), (3140, 16460), (3292, 15700), (3925, 13168), (4115, 12560), (6280, 8230), (6584, 7850)]