28658080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:902

約数の個数: 96

約数和(自身を含む): 77837760

約数和(自身を除く): 49179680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 608, 760, 836, 857, 880, 1045, 1520, 1672, 1714, 1760, 2090, 3040, 3344, 3428, 4180, 4285, 6688, 6856, 8360, 8570, 9427, 13712, 16283, 16720, 17140, 18854, 27424, 32566, 33440, 34280, 37708, 47135, 65132, 68560, 75416, 81415, 94270, 130264, 137120, 150832, 162830, 179113, 188540, 260528, 301664, 325660, 358226, 377080, 521056, 651320, 716452, 754160, 895565, 1302640, 1432904, 1508320, 1791130, 2605280, 2865808, 3582260, 5731616, 7164520, 14329040, 28658080]

約数ペア:

[(1, 28658080), (2, 14329040), (4, 7164520), (5, 5731616), (8, 3582260), (10, 2865808), (11, 2605280), (16, 1791130), (19, 1508320), (20, 1432904), (22, 1302640), (32, 895565), (38, 754160), (40, 716452), (44, 651320), (55, 521056), (76, 377080), (80, 358226), (88, 325660), (95, 301664), (110, 260528), (152, 188540), (160, 179113), (176, 162830), (190, 150832), (209, 137120), (220, 130264), (304, 94270), (352, 81415), (380, 75416), (418, 68560), (440, 65132), (608, 47135), (760, 37708), (836, 34280), (857, 33440), (880, 32566), (1045, 27424), (1520, 18854), (1672, 17140), (1714, 16720), (1760, 16283), (2090, 13712), (3040, 9427), (3344, 8570), (3428, 8360), (4180, 6856), (4285, 6688)]