66839440

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3083}}^1$

素因数の和:3367

約数の個数: 40

約数和(自身を含む): 156025728

約数和(自身を除く): 89186288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 3083, 4336, 5420, 6166, 10840, 12332, 15415, 21680, 24664, 30830, 49328, 61660, 123320, 246640, 835493, 1670986, 3341972, 4177465, 6683944, 8354930, 13367888, 16709860, 33419720, 66839440]

約数ペア:

[(1, 66839440), (2, 33419720), (4, 16709860), (5, 13367888), (8, 8354930), (10, 6683944), (16, 4177465), (20, 3341972), (40, 1670986), (80, 835493), (271, 246640), (542, 123320), (1084, 61660), (1355, 49328), (2168, 30830), (2710, 24664), (3083, 21680), (4336, 15415), (5420, 12332), (6166, 10840)]