8652640

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1319}}^1$

素因数の和:1375

約数の個数: 48

約数和(自身を含む): 20956320

約数和(自身を除く): 12303680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1319, 1640, 2638, 3280, 5276, 6560, 6595, 10552, 13190, 21104, 26380, 42208, 52760, 54079, 105520, 108158, 211040, 216316, 270395, 432632, 540790, 865264, 1081580, 1730528, 2163160, 4326320, 8652640]

約数ペア:

[(1, 8652640), (2, 4326320), (4, 2163160), (5, 1730528), (8, 1081580), (10, 865264), (16, 540790), (20, 432632), (32, 270395), (40, 216316), (41, 211040), (80, 108158), (82, 105520), (160, 54079), (164, 52760), (205, 42208), (328, 26380), (410, 21104), (656, 13190), (820, 10552), (1312, 6595), (1319, 6560), (1640, 5276), (2638, 3280)]