129072520

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{5387}}^1$

素因数の和:5997

約数の個数: 32

約数和(自身を含む): 290952000

約数和(自身を除く): 161879480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 1198, 2396, 2995, 4792, 5387, 5990, 10774, 11980, 21548, 23960, 26935, 43096, 53870, 107740, 215480, 3226813, 6453626, 12907252, 16134065, 25814504, 32268130, 64536260, 129072520]

約数ペア:

[(1, 129072520), (2, 64536260), (4, 32268130), (5, 25814504), (8, 16134065), (10, 12907252), (20, 6453626), (40, 3226813), (599, 215480), (1198, 107740), (2396, 53870), (2995, 43096), (4792, 26935), (5387, 23960), (5990, 21548), (10774, 11980)]