4570840

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 10350000

約数和(自身を除く): 5779160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 499, 916, 998, 1145, 1832, 1996, 2290, 2495, 3992, 4580, 4990, 9160, 9980, 19960, 114271, 228542, 457084, 571355, 914168, 1142710, 2285420, 4570840]

約数ペア:

[(1, 4570840), (2, 2285420), (4, 1142710), (5, 914168), (8, 571355), (10, 457084), (20, 228542), (40, 114271), (229, 19960), (458, 9980), (499, 9160), (916, 4990), (998, 4580), (1145, 3992), (1832, 2495), (1996, 2290)]