5465980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21023}}^1$

素因数の和:21045

約数の個数: 24

約数和(自身を含む): 12362112

約数和(自身を除く): 6896132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 21023, 42046, 84092, 105115, 210230, 273299, 420460, 546598, 1093196, 1366495, 2732990, 5465980]

約数ペア:

[(1, 5465980), (2, 2732990), (4, 1366495), (5, 1093196), (10, 546598), (13, 420460), (20, 273299), (26, 210230), (52, 105115), (65, 84092), (130, 42046), (260, 21023)]