72142850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{110989}}^1$

素因数の和:111014

約数の個数: 24

約数和(自身を含む): 144508980

約数和(自身を除く): 72366130

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 110989, 221978, 554945, 1109890, 1442857, 2774725, 2885714, 5549450, 7214285, 14428570, 36071425, 72142850]

約数ペア:

[(1, 72142850), (2, 36071425), (5, 14428570), (10, 7214285), (13, 5549450), (25, 2885714), (26, 2774725), (50, 1442857), (65, 1109890), (130, 554945), (325, 221978), (650, 110989)]