872560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 2187360

約数和(自身を除く): 1314800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 839, 1040, 1678, 3356, 4195, 6712, 8390, 10907, 13424, 16780, 21814, 33560, 43628, 54535, 67120, 87256, 109070, 174512, 218140, 436280, 872560]

約数ペア:

[(1, 872560), (2, 436280), (4, 218140), (5, 174512), (8, 109070), (10, 87256), (13, 67120), (16, 54535), (20, 43628), (26, 33560), (40, 21814), (52, 16780), (65, 13424), (80, 10907), (104, 8390), (130, 6712), (208, 4195), (260, 3356), (520, 1678), (839, 1040)]