7404020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28477}}^1$

素因数の和:28499

約数の個数: 24

約数和(自身を含む): 16745064

約数和(自身を除く): 9341044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28477, 56954, 113908, 142385, 284770, 370201, 569540, 740402, 1480804, 1851005, 3702010, 7404020]

約数ペア:

[(1, 7404020), (2, 3702010), (4, 1851005), (5, 1480804), (10, 740402), (13, 569540), (20, 370201), (26, 284770), (52, 142385), (65, 113908), (130, 56954), (260, 28477)]