572780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2203}}^1$

素因数の和:2225

約数の個数: 24

約数和(自身を含む): 1295952

約数和(自身を除く): 723172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2203, 4406, 8812, 11015, 22030, 28639, 44060, 57278, 114556, 143195, 286390, 572780]

約数ペア:

[(1, 572780), (2, 286390), (4, 143195), (5, 114556), (10, 57278), (13, 44060), (20, 28639), (26, 22030), (52, 11015), (65, 8812), (130, 4406), (260, 2203)]