616808560

素因数分解:

$2^4\times 5^1\times {\mathrm{7710107}}^1$

素因数の和:7710120

約数の個数: 20

約数和(自身を含む): 1434080088

約数和(自身を除く): 817271528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7710107, 15420214, 30840428, 38550535, 61680856, 77101070, 123361712, 154202140, 308404280, 616808560]

約数ペア:

[(1, 616808560), (2, 308404280), (4, 154202140), (5, 123361712), (8, 77101070), (10, 61680856), (16, 38550535), (20, 30840428), (40, 15420214), (80, 7710107)]