1630487720

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{31771}}^1$

素因数の和:33065

約数の個数: 32

約数和(自身を含む): 3671572320

約数和(自身を除く): 2041084600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 2566, 5132, 6415, 10264, 12830, 25660, 31771, 51320, 63542, 127084, 158855, 254168, 317710, 635420, 1270840, 40762193, 81524386, 163048772, 203810965, 326097544, 407621930, 815243860, 1630487720]

約数ペア:

[(1, 1630487720), (2, 815243860), (4, 407621930), (5, 326097544), (8, 203810965), (10, 163048772), (20, 81524386), (40, 40762193), (1283, 1270840), (2566, 635420), (5132, 317710), (6415, 254168), (10264, 158855), (12830, 127084), (25660, 63542), (31771, 51320)]