42135560

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2111}}^1$

素因数の和:2621

約数の個数: 32

約数和(自身を含む): 95040000

約数和(自身を除く): 52904440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2111, 2495, 3992, 4222, 4990, 8444, 9980, 10555, 16888, 19960, 21110, 42220, 84440, 1053389, 2106778, 4213556, 5266945, 8427112, 10533890, 21067780, 42135560]

約数ペア:

[(1, 42135560), (2, 21067780), (4, 10533890), (5, 8427112), (8, 5266945), (10, 4213556), (20, 2106778), (40, 1053389), (499, 84440), (998, 42220), (1996, 21110), (2111, 19960), (2495, 16888), (3992, 10555), (4222, 9980), (4990, 8444)]