121543480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{42797}}^1$

素因数の和:42879

約数の個数: 32

約数和(自身を含む): 277331040

約数和(自身を除く): 155787560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 42797, 85594, 171188, 213985, 342376, 427970, 855940, 1711880, 3038587, 6077174, 12154348, 15192935, 24308696, 30385870, 60771740, 121543480]

約数ペア:

[(1, 121543480), (2, 60771740), (4, 30385870), (5, 24308696), (8, 15192935), (10, 12154348), (20, 6077174), (40, 3038587), (71, 1711880), (142, 855940), (284, 427970), (355, 342376), (568, 213985), (710, 171188), (1420, 85594), (2840, 42797)]