2420405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1660

約数の個数: 16

約数和(自身を含む): 3265920

約数和(自身を除く): 845515

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 1619, 8095, 21047, 37237, 105235, 186185, 484081, 2420405]

約数ペア:

[(1, 2420405), (5, 484081), (13, 186185), (23, 105235), (65, 37237), (115, 21047), (299, 8095), (1495, 1619)]