5681720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 14364000

約数和(自身を除く): 8682280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 349, 370, 407, 440, 698, 740, 814, 1396, 1480, 1628, 1745, 2035, 2792, 3256, 3490, 3839, 4070, 6980, 7678, 8140, 12913, 13960, 15356, 16280, 19195, 25826, 30712, 38390, 51652, 64565, 76780, 103304, 129130, 142043, 153560, 258260, 284086, 516520, 568172, 710215, 1136344, 1420430, 2840860, 5681720]

約数ペア:

[(1, 5681720), (2, 2840860), (4, 1420430), (5, 1136344), (8, 710215), (10, 568172), (11, 516520), (20, 284086), (22, 258260), (37, 153560), (40, 142043), (44, 129130), (55, 103304), (74, 76780), (88, 64565), (110, 51652), (148, 38390), (185, 30712), (220, 25826), (296, 19195), (349, 16280), (370, 15356), (407, 13960), (440, 12913), (698, 8140), (740, 7678), (814, 6980), (1396, 4070), (1480, 3839), (1628, 3490), (1745, 3256), (2035, 2792)]