201379240

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{5153}}^1$

素因数の和:6141

約数の個数: 32

約数和(自身を含む): 453655080

約数和(自身を除く): 252275840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1954, 3908, 4885, 5153, 7816, 9770, 10306, 19540, 20612, 25765, 39080, 41224, 51530, 103060, 206120, 5034481, 10068962, 20137924, 25172405, 40275848, 50344810, 100689620, 201379240]

約数ペア:

[(1, 201379240), (2, 100689620), (4, 50344810), (5, 40275848), (8, 25172405), (10, 20137924), (20, 10068962), (40, 5034481), (977, 206120), (1954, 103060), (3908, 51530), (4885, 41224), (5153, 39080), (7816, 25765), (9770, 20612), (10306, 19540)]