28805010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73859}}^1$

素因数の和:73882

約数の個数: 32

約数和(自身を含む): 74450880

約数和(自身を除く): 45645870

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 73859, 147718, 221577, 369295, 443154, 738590, 960167, 1107885, 1920334, 2215770, 2880501, 4800835, 5761002, 9601670, 14402505, 28805010]

約数ペア:

[(1, 28805010), (2, 14402505), (3, 9601670), (5, 5761002), (6, 4800835), (10, 2880501), (13, 2215770), (15, 1920334), (26, 1107885), (30, 960167), (39, 738590), (65, 443154), (78, 369295), (130, 221577), (195, 147718), (390, 73859)]