157480280

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{20399}}^1$

素因数の和:20603

約数の個数: 32

約数和(自身を含む): 356184000

約数和(自身を除く): 198703720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 20399, 40798, 81596, 101995, 163192, 203990, 407980, 815960, 3937007, 7874014, 15748028, 19685035, 31496056, 39370070, 78740140, 157480280]

約数ペア:

[(1, 157480280), (2, 78740140), (4, 39370070), (5, 31496056), (8, 19685035), (10, 15748028), (20, 7874014), (40, 3937007), (193, 815960), (386, 407980), (772, 203990), (965, 163192), (1544, 101995), (1930, 81596), (3860, 40798), (7720, 20399)]