8215580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 18162144

約数和(自身を除く): 9946564

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 233, 410, 430, 466, 820, 860, 932, 1165, 1763, 2330, 3526, 4660, 7052, 8815, 9553, 10019, 17630, 19106, 20038, 35260, 38212, 40076, 47765, 50095, 95530, 100190, 191060, 200380, 410779, 821558, 1643116, 2053895, 4107790, 8215580]

約数ペア:

[(1, 8215580), (2, 4107790), (4, 2053895), (5, 1643116), (10, 821558), (20, 410779), (41, 200380), (43, 191060), (82, 100190), (86, 95530), (164, 50095), (172, 47765), (205, 40076), (215, 38212), (233, 35260), (410, 20038), (430, 19106), (466, 17630), (820, 10019), (860, 9553), (932, 8815), (1165, 7052), (1763, 4660), (2330, 3526)]