129823520

素因数分解:

$2^5\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1031}}^1$

素因数の和:1833

約数の個数: 48

約数和(自身を含む): 307395648

約数和(自身を除く): 177572128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 787, 1031, 1574, 2062, 3148, 3935, 4124, 5155, 6296, 7870, 8248, 10310, 12592, 15740, 16496, 20620, 25184, 31480, 32992, 41240, 62960, 82480, 125920, 164960, 811397, 1622794, 3245588, 4056985, 6491176, 8113970, 12982352, 16227940, 25964704, 32455880, 64911760, 129823520]

約数ペア:

[(1, 129823520), (2, 64911760), (4, 32455880), (5, 25964704), (8, 16227940), (10, 12982352), (16, 8113970), (20, 6491176), (32, 4056985), (40, 3245588), (80, 1622794), (160, 811397), (787, 164960), (1031, 125920), (1574, 82480), (2062, 62960), (3148, 41240), (3935, 32992), (4124, 31480), (5155, 25184), (6296, 20620), (7870, 16496), (8248, 15740), (10310, 12592)]