20123100280

素因数分解:

$2^3\times 5^1\times {\mathrm{503077507}}^1$

素因数の和:503077518

約数の個数: 16

約数和(自身を含む): 45276975720

約数和(自身を除く): 25153875440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503077507, 1006155014, 2012310028, 2515387535, 4024620056, 5030775070, 10061550140, 20123100280]

約数ペア:

[(1, 20123100280), (2, 10061550140), (4, 5030775070), (5, 4024620056), (8, 2515387535), (10, 2012310028), (20, 1006155014), (40, 503077507)]