138736250

素因数分解:

$2^1\times 5^4\times {\mathrm{110989}}^1$

素因数の和:111011

約数の個数: 20

約数和(自身を含む): 260049570

約数和(自身を除く): 121313320

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 110989, 221978, 554945, 1109890, 2774725, 5549450, 13873625, 27747250, 69368125, 138736250]

約数ペア:

[(1, 138736250), (2, 69368125), (5, 27747250), (10, 13873625), (25, 5549450), (50, 2774725), (125, 1109890), (250, 554945), (625, 221978), (1250, 110989)]