20120031560

素因数分解:

$2^3\times 5^1\times {\mathrm{503000789}}^1$

素因数の和:503000800

約数の個数: 16

約数和(自身を含む): 45270071100

約数和(自身を除く): 25150039540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503000789, 1006001578, 2012003156, 2515003945, 4024006312, 5030007890, 10060015780, 20120031560]

約数ペア:

[(1, 20120031560), (2, 10060015780), (4, 5030007890), (5, 4024006312), (8, 2515003945), (10, 2012003156), (20, 1006001578), (40, 503000789)]