61672780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{237203}}^1$

素因数の和:237225

約数の個数: 24

約数和(自身を含む): 139475952

約数和(自身を除く): 77803172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 237203, 474406, 948812, 1186015, 2372030, 3083639, 4744060, 6167278, 12334556, 15418195, 30836390, 61672780]

約数ペア:

[(1, 61672780), (2, 30836390), (4, 15418195), (5, 12334556), (10, 6167278), (13, 4744060), (20, 3083639), (26, 2372030), (52, 1186015), (65, 948812), (130, 474406), (260, 237203)]