8130440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 19483200

約数和(自身を除く): 11352760

約数列:

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

約数ペア:

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