1305980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5023}}^1$

素因数の和:5045

約数の個数: 24

約数和(自身を含む): 2954112

約数和(自身を除く): 1648132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5023, 10046, 20092, 25115, 50230, 65299, 100460, 130598, 261196, 326495, 652990, 1305980]

約数ペア:

[(1, 1305980), (2, 652990), (4, 326495), (5, 261196), (10, 130598), (13, 100460), (20, 65299), (26, 50230), (52, 25115), (65, 20092), (130, 10046), (260, 5023)]