78772850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{121189}}^1$

素因数の和:121214

約数の個数: 24

約数和(自身を含む): 157789380

約数和(自身を除く): 79016530

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 121189, 242378, 605945, 1211890, 1575457, 3029725, 3150914, 6059450, 7877285, 15754570, 39386425, 78772850]

約数ペア:

[(1, 78772850), (2, 39386425), (5, 15754570), (10, 7877285), (13, 6059450), (25, 3150914), (26, 3029725), (50, 1575457), (65, 1211890), (130, 605945), (325, 242378), (650, 121189)]