3128450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4813}}^1$

素因数の和:4838

約数の個数: 24

約数和(自身を含む): 6267828

約数和(自身を除く): 3139378

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 4813, 9626, 24065, 48130, 62569, 120325, 125138, 240650, 312845, 625690, 1564225, 3128450]

約数ペア:

[(1, 3128450), (2, 1564225), (5, 625690), (10, 312845), (13, 240650), (25, 125138), (26, 120325), (50, 62569), (65, 48130), (130, 24065), (325, 9626), (650, 4813)]