82080100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 187987968

約数和(自身を除く): 105907868

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 127, 230, 254, 281, 460, 508, 562, 575, 635, 1124, 1150, 1270, 1405, 2300, 2540, 2810, 2921, 3175, 5620, 5842, 6350, 6463, 7025, 11684, 12700, 12926, 14050, 14605, 25852, 28100, 29210, 32315, 35687, 58420, 64630, 71374, 73025, 129260, 142748, 146050, 161575, 178435, 292100, 323150, 356870, 646300, 713740, 820801, 892175, 1641602, 1784350, 3283204, 3568700, 4104005, 8208010, 16416020, 20520025, 41040050, 82080100]

約数ペア:

[(1, 82080100), (2, 41040050), (4, 20520025), (5, 16416020), (10, 8208010), (20, 4104005), (23, 3568700), (25, 3283204), (46, 1784350), (50, 1641602), (92, 892175), (100, 820801), (115, 713740), (127, 646300), (230, 356870), (254, 323150), (281, 292100), (460, 178435), (508, 161575), (562, 146050), (575, 142748), (635, 129260), (1124, 73025), (1150, 71374), (1270, 64630), (1405, 58420), (2300, 35687), (2540, 32315), (2810, 29210), (2921, 28100), (3175, 25852), (5620, 14605), (5842, 14050), (6350, 12926), (6463, 12700), (7025, 11684)]