39991400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4877}}^1$

素因数の和:4934

約数の個数: 48

約数和(自身を含む): 95267340

約数和(自身を除く): 55275940

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 4877, 8200, 9754, 19508, 24385, 39016, 48770, 97540, 121925, 195080, 199957, 243850, 399914, 487700, 799828, 975400, 999785, 1599656, 1999570, 3999140, 4998925, 7998280, 9997850, 19995700, 39991400]

約数ペア:

[(1, 39991400), (2, 19995700), (4, 9997850), (5, 7998280), (8, 4998925), (10, 3999140), (20, 1999570), (25, 1599656), (40, 999785), (41, 975400), (50, 799828), (82, 487700), (100, 399914), (164, 243850), (200, 199957), (205, 195080), (328, 121925), (410, 97540), (820, 48770), (1025, 39016), (1640, 24385), (2050, 19508), (4100, 9754), (4877, 8200)]