28921850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{8147}}^1$

素因数の和:8230

約数の個数: 24

約数和(自身を含む): 54559008

約数和(自身を除く): 25637158

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 8147, 16294, 40735, 81470, 203675, 407350, 578437, 1156874, 2892185, 5784370, 14460925, 28921850]

約数ペア:

[(1, 28921850), (2, 14460925), (5, 5784370), (10, 2892185), (25, 1156874), (50, 578437), (71, 407350), (142, 203675), (355, 81470), (710, 40735), (1775, 16294), (3550, 8147)]