66349720

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{5903}}^1$

素因数の和:6195

約数の個数: 32

約数和(自身を含む): 149843520

約数和(自身を除く): 83493800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 5903, 11240, 11806, 23612, 29515, 47224, 59030, 118060, 236120, 1658743, 3317486, 6634972, 8293715, 13269944, 16587430, 33174860, 66349720]

約数ペア:

[(1, 66349720), (2, 33174860), (4, 16587430), (5, 13269944), (8, 8293715), (10, 6634972), (20, 3317486), (40, 1658743), (281, 236120), (562, 118060), (1124, 59030), (1405, 47224), (2248, 29515), (2810, 23612), (5620, 11806), (5903, 11240)]