16642640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 44782848

約数和(自身を除く): 28140208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 263, 280, 452, 526, 560, 565, 791, 904, 1052, 1130, 1315, 1582, 1808, 1841, 2104, 2260, 2630, 3164, 3682, 3955, 4208, 4520, 5260, 6328, 7364, 7910, 9040, 9205, 10520, 12656, 14728, 15820, 18410, 21040, 29456, 29719, 31640, 36820, 59438, 63280, 73640, 118876, 147280, 148595, 208033, 237752, 297190, 416066, 475504, 594380, 832132, 1040165, 1188760, 1664264, 2080330, 2377520, 3328528, 4160660, 8321320, 16642640]

約数ペア:

[(1, 16642640), (2, 8321320), (4, 4160660), (5, 3328528), (7, 2377520), (8, 2080330), (10, 1664264), (14, 1188760), (16, 1040165), (20, 832132), (28, 594380), (35, 475504), (40, 416066), (56, 297190), (70, 237752), (80, 208033), (112, 148595), (113, 147280), (140, 118876), (226, 73640), (263, 63280), (280, 59438), (452, 36820), (526, 31640), (560, 29719), (565, 29456), (791, 21040), (904, 18410), (1052, 15820), (1130, 14728), (1315, 12656), (1582, 10520), (1808, 9205), (1841, 9040), (2104, 7910), (2260, 7364), (2630, 6328), (3164, 5260), (3682, 4520), (3955, 4208)]