3990860

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{521}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 8418816

約数和(自身を除く): 4427956

約数列:

[1, 2, 4, 5, 10, 20, 383, 521, 766, 1042, 1532, 1915, 2084, 2605, 3830, 5210, 7660, 10420, 199543, 399086, 798172, 997715, 1995430, 3990860]

約数ペア:

[(1, 3990860), (2, 1995430), (4, 997715), (5, 798172), (10, 399086), (20, 199543), (383, 10420), (521, 7660), (766, 5210), (1042, 3830), (1532, 2605), (1915, 2084)]