25441480

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2347}}^1$

素因数の和:2629

約数の個数: 32

約数和(自身を含む): 57479040

約数和(自身を除く): 32037560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2347, 2710, 4694, 5420, 9388, 10840, 11735, 18776, 23470, 46940, 93880, 636037, 1272074, 2544148, 3180185, 5088296, 6360370, 12720740, 25441480]

約数ペア:

[(1, 25441480), (2, 12720740), (4, 6360370), (5, 5088296), (8, 3180185), (10, 2544148), (20, 1272074), (40, 636037), (271, 93880), (542, 46940), (1084, 23470), (1355, 18776), (2168, 11735), (2347, 10840), (2710, 9388), (4694, 5420)]