42979960

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2111}}^1$

素因数の和:2631

約数の個数: 32

約数和(自身を含む): 96940800

約数和(自身を除く): 53960840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2111, 2545, 4072, 4222, 5090, 8444, 10180, 10555, 16888, 20360, 21110, 42220, 84440, 1074499, 2148998, 4297996, 5372495, 8595992, 10744990, 21489980, 42979960]

約数ペア:

[(1, 42979960), (2, 21489980), (4, 10744990), (5, 8595992), (8, 5372495), (10, 4297996), (20, 2148998), (40, 1074499), (509, 84440), (1018, 42220), (2036, 21110), (2111, 20360), (2545, 16888), (4072, 10555), (4222, 10180), (5090, 8444)]