65048560

素因数分解:

$2^4\times 5^1\times {\mathrm{813107}}^1$

素因数の和:813120

約数の個数: 20

約数和(自身を含む): 151238088

約数和(自身を除く): 86189528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 813107, 1626214, 3252428, 4065535, 6504856, 8131070, 13009712, 16262140, 32524280, 65048560]

約数ペア:

[(1, 65048560), (2, 32524280), (4, 16262140), (5, 13009712), (8, 8131070), (10, 6504856), (16, 4065535), (20, 3252428), (40, 1626214), (80, 813107)]