8964640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1303}}^1$

素因数の和:1361

約数の個数: 48

約数和(自身を含む): 21688128

約数和(自身を除く): 12723488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1303, 1376, 1720, 2606, 3440, 5212, 6515, 6880, 10424, 13030, 20848, 26060, 41696, 52120, 56029, 104240, 112058, 208480, 224116, 280145, 448232, 560290, 896464, 1120580, 1792928, 2241160, 4482320, 8964640]

約数ペア:

[(1, 8964640), (2, 4482320), (4, 2241160), (5, 1792928), (8, 1120580), (10, 896464), (16, 560290), (20, 448232), (32, 280145), (40, 224116), (43, 208480), (80, 112058), (86, 104240), (160, 56029), (172, 52120), (215, 41696), (344, 26060), (430, 20848), (688, 13030), (860, 10424), (1303, 6880), (1376, 6515), (1720, 5212), (2606, 3440)]