72028780

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{3709}}^1$

素因数の和:4689

約数の個数: 24

約数和(自身を含む): 151457040

約数和(自身を除く): 79428260

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3709, 3884, 4855, 7418, 9710, 14836, 18545, 19420, 37090, 74180, 3601439, 7202878, 14405756, 18007195, 36014390, 72028780]

約数ペア:

[(1, 72028780), (2, 36014390), (4, 18007195), (5, 14405756), (10, 7202878), (20, 3601439), (971, 74180), (1942, 37090), (3709, 19420), (3884, 18545), (4855, 14836), (7418, 9710)]