138310250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{42557}}^1$

素因数の和:42587

約数の個数: 32

約数和(自身を含む): 278840016

約数和(自身を除く): 140529766

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 42557, 85114, 212785, 425570, 553241, 1063925, 1106482, 2127850, 2766205, 5319625, 5532410, 10639250, 13831025, 27662050, 69155125, 138310250]

約数ペア:

[(1, 138310250), (2, 69155125), (5, 27662050), (10, 13831025), (13, 10639250), (25, 5532410), (26, 5319625), (50, 2766205), (65, 2127850), (125, 1106482), (130, 1063925), (250, 553241), (325, 425570), (650, 212785), (1625, 85114), (3250, 42557)]