7212140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27739}}^1$

素因数の和:27761

約数の個数: 24

約数和(自身を含む): 16311120

約数和(自身を除く): 9098980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 27739, 55478, 110956, 138695, 277390, 360607, 554780, 721214, 1442428, 1803035, 3606070, 7212140]

約数ペア:

[(1, 7212140), (2, 3606070), (4, 1803035), (5, 1442428), (10, 721214), (13, 554780), (20, 360607), (26, 277390), (52, 138695), (65, 110956), (130, 55478), (260, 27739)]