496761680

素因数分解:

$2^4\times 5^1\times {\mathrm{6209521}}^1$

素因数の和:6209534

約数の個数: 20

約数和(自身を含む): 1154971092

約数和(自身を除く): 658209412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6209521, 12419042, 24838084, 31047605, 49676168, 62095210, 99352336, 124190420, 248380840, 496761680]

約数ペア:

[(1, 496761680), (2, 248380840), (4, 124190420), (5, 99352336), (8, 62095210), (10, 49676168), (16, 31047605), (20, 24838084), (40, 12419042), (80, 6209521)]