66201820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2027}}^1$

素因数の和:2130

約数の個数: 48

約数和(自身を含む): 147184128

約数和(自身を除く): 80982308

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 1420, 1633, 2027, 3266, 4054, 6532, 8108, 8165, 10135, 16330, 20270, 32660, 40540, 46621, 93242, 143917, 186484, 233105, 287834, 466210, 575668, 719585, 932420, 1439170, 2878340, 3310091, 6620182, 13240364, 16550455, 33100910, 66201820]

約数ペア:

[(1, 66201820), (2, 33100910), (4, 16550455), (5, 13240364), (10, 6620182), (20, 3310091), (23, 2878340), (46, 1439170), (71, 932420), (92, 719585), (115, 575668), (142, 466210), (230, 287834), (284, 233105), (355, 186484), (460, 143917), (710, 93242), (1420, 46621), (1633, 40540), (2027, 32660), (3266, 20270), (4054, 16330), (6532, 10135), (8108, 8165)]