42021040

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4909}}^1$

素因数の和:5029

約数の個数: 40

約数和(自身を含む): 98632080

約数和(自身を除く): 56611040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 4909, 8560, 9818, 19636, 24545, 39272, 49090, 78544, 98180, 196360, 392720, 525263, 1050526, 2101052, 2626315, 4202104, 5252630, 8404208, 10505260, 21010520, 42021040]

約数ペア:

[(1, 42021040), (2, 21010520), (4, 10505260), (5, 8404208), (8, 5252630), (10, 4202104), (16, 2626315), (20, 2101052), (40, 1050526), (80, 525263), (107, 392720), (214, 196360), (428, 98180), (535, 78544), (856, 49090), (1070, 39272), (1712, 24545), (2140, 19636), (4280, 9818), (4909, 8560)]