8434520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 20109600

約数和(自身を除く): 11675080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 139, 148, 164, 185, 205, 278, 296, 328, 370, 410, 556, 695, 740, 820, 1112, 1390, 1480, 1517, 1640, 2780, 3034, 5143, 5560, 5699, 6068, 7585, 10286, 11398, 12136, 15170, 20572, 22796, 25715, 28495, 30340, 41144, 45592, 51430, 56990, 60680, 102860, 113980, 205720, 210863, 227960, 421726, 843452, 1054315, 1686904, 2108630, 4217260, 8434520]

約数ペア:

[(1, 8434520), (2, 4217260), (4, 2108630), (5, 1686904), (8, 1054315), (10, 843452), (20, 421726), (37, 227960), (40, 210863), (41, 205720), (74, 113980), (82, 102860), (139, 60680), (148, 56990), (164, 51430), (185, 45592), (205, 41144), (278, 30340), (296, 28495), (328, 25715), (370, 22796), (410, 20572), (556, 15170), (695, 12136), (740, 11398), (820, 10286), (1112, 7585), (1390, 6068), (1480, 5699), (1517, 5560), (1640, 5143), (2780, 3034)]