129417080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248879}}^1$

素因数の和:248903

約数の個数: 32

約数和(自身を含む): 313588800

約数和(自身を除く): 184171720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 248879, 497758, 995516, 1244395, 1991032, 2488790, 3235427, 4977580, 6470854, 9955160, 12941708, 16177135, 25883416, 32354270, 64708540, 129417080]

約数ペア:

[(1, 129417080), (2, 64708540), (4, 32354270), (5, 25883416), (8, 16177135), (10, 12941708), (13, 9955160), (20, 6470854), (26, 4977580), (40, 3235427), (52, 2488790), (65, 1991032), (104, 1244395), (130, 995516), (260, 497758), (520, 248879)]