679120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:679

約数の個数: 40

約数和(自身を含む): 1703016

約数和(自身を除く): 1023896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 653, 1040, 1306, 2612, 3265, 5224, 6530, 8489, 10448, 13060, 16978, 26120, 33956, 42445, 52240, 67912, 84890, 135824, 169780, 339560, 679120]

約数ペア:

[(1, 679120), (2, 339560), (4, 169780), (5, 135824), (8, 84890), (10, 67912), (13, 52240), (16, 42445), (20, 33956), (26, 26120), (40, 16978), (52, 13060), (65, 10448), (80, 8489), (104, 6530), (130, 5224), (208, 3265), (260, 2612), (520, 1306), (653, 1040)]