13508120

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1697}}^1$

素因数の和:1907

約数の個数: 32

約数和(自身を含む): 30564000

約数和(自身を除く): 17055880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1697, 1990, 3394, 3980, 6788, 7960, 8485, 13576, 16970, 33940, 67880, 337703, 675406, 1350812, 1688515, 2701624, 3377030, 6754060, 13508120]

約数ペア:

[(1, 13508120), (2, 6754060), (4, 3377030), (5, 2701624), (8, 1688515), (10, 1350812), (20, 675406), (40, 337703), (199, 67880), (398, 33940), (796, 16970), (995, 13576), (1592, 8485), (1697, 7960), (1990, 6788), (3394, 3980)]