66557660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{911}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 151224192

約数和(自身を除く): 84666532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 281, 562, 911, 1124, 1405, 1822, 2810, 3644, 3653, 4555, 5620, 7306, 9110, 11843, 14612, 18220, 18265, 23686, 36530, 47372, 59215, 73060, 118430, 236860, 255991, 511982, 1023964, 1279955, 2559910, 3327883, 5119820, 6655766, 13311532, 16639415, 33278830, 66557660]

約数ペア:

[(1, 66557660), (2, 33278830), (4, 16639415), (5, 13311532), (10, 6655766), (13, 5119820), (20, 3327883), (26, 2559910), (52, 1279955), (65, 1023964), (130, 511982), (260, 255991), (281, 236860), (562, 118430), (911, 73060), (1124, 59215), (1405, 47372), (1822, 36530), (2810, 23686), (3644, 18265), (3653, 18220), (4555, 14612), (5620, 11843), (7306, 9110)]