9394640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2731}}^1$

素因数の和:2787

約数の個数: 40

約数和(自身を含む): 22358688

約数和(自身を除く): 12964048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2731, 3440, 5462, 10924, 13655, 21848, 27310, 43696, 54620, 109240, 117433, 218480, 234866, 469732, 587165, 939464, 1174330, 1878928, 2348660, 4697320, 9394640]

約数ペア:

[(1, 9394640), (2, 4697320), (4, 2348660), (5, 1878928), (8, 1174330), (10, 939464), (16, 587165), (20, 469732), (40, 234866), (43, 218480), (80, 117433), (86, 109240), (172, 54620), (215, 43696), (344, 27310), (430, 21848), (688, 13655), (860, 10924), (1720, 5462), (2731, 3440)]