156617480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{55147}}^1$

素因数の和:55229

約数の個数: 32

約数和(自身を含む): 357359040

約数和(自身を除く): 200741560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 55147, 110294, 220588, 275735, 441176, 551470, 1102940, 2205880, 3915437, 7830874, 15661748, 19577185, 31323496, 39154370, 78308740, 156617480]

約数ペア:

[(1, 156617480), (2, 78308740), (4, 39154370), (5, 31323496), (8, 19577185), (10, 15661748), (20, 7830874), (40, 3915437), (71, 2205880), (142, 1102940), (284, 551470), (355, 441176), (568, 275735), (710, 220588), (1420, 110294), (2840, 55147)]