7284940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28019}}^1$

素因数の和:28041

約数の個数: 24

約数和(自身を含む): 16475760

約数和(自身を除く): 9190820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28019, 56038, 112076, 140095, 280190, 364247, 560380, 728494, 1456988, 1821235, 3642470, 7284940]

約数ペア:

[(1, 7284940), (2, 3642470), (4, 1821235), (5, 1456988), (10, 728494), (13, 560380), (20, 364247), (26, 280190), (52, 140095), (65, 112076), (130, 56038), (260, 28019)]