16260880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 40265280

約数和(自身を除く): 24004400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 145, 163, 172, 215, 232, 290, 326, 344, 430, 464, 580, 652, 688, 815, 860, 1160, 1247, 1304, 1630, 1720, 2320, 2494, 2608, 3260, 3440, 4727, 4988, 6235, 6520, 7009, 9454, 9976, 12470, 13040, 14018, 18908, 19952, 23635, 24940, 28036, 35045, 37816, 47270, 49880, 56072, 70090, 75632, 94540, 99760, 112144, 140180, 189080, 203261, 280360, 378160, 406522, 560720, 813044, 1016305, 1626088, 2032610, 3252176, 4065220, 8130440, 16260880]

約数ペア:

[(1, 16260880), (2, 8130440), (4, 4065220), (5, 3252176), (8, 2032610), (10, 1626088), (16, 1016305), (20, 813044), (29, 560720), (40, 406522), (43, 378160), (58, 280360), (80, 203261), (86, 189080), (116, 140180), (145, 112144), (163, 99760), (172, 94540), (215, 75632), (232, 70090), (290, 56072), (326, 49880), (344, 47270), (430, 37816), (464, 35045), (580, 28036), (652, 24940), (688, 23635), (815, 19952), (860, 18908), (1160, 14018), (1247, 13040), (1304, 12470), (1630, 9976), (1720, 9454), (2320, 7009), (2494, 6520), (2608, 6235), (3260, 4988), (3440, 4727)]