20130781250

素因数分解:

$2^1\times 5^7\times {\mathrm{128837}}^1$

素因数の和:128874

約数の個数: 32

約数和(自身を含む): 37745411184

約数和(自身を除く): 17614629934

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 3125, 6250, 15625, 31250, 78125, 128837, 156250, 257674, 644185, 1288370, 3220925, 6441850, 16104625, 32209250, 80523125, 161046250, 402615625, 805231250, 2013078125, 4026156250, 10065390625, 20130781250]

約数ペア:

[(1, 20130781250), (2, 10065390625), (5, 4026156250), (10, 2013078125), (25, 805231250), (50, 402615625), (125, 161046250), (250, 80523125), (625, 32209250), (1250, 16104625), (3125, 6441850), (6250, 3220925), (15625, 1288370), (31250, 644185), (78125, 257674), (128837, 156250)]