12895820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13159}}^1$

素因数の和:13182

約数の個数: 36

約数和(自身を含む): 31505040

約数和(自身を除く): 18609220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 13159, 26318, 52636, 65795, 92113, 131590, 184226, 263180, 368452, 460565, 644791, 921130, 1289582, 1842260, 2579164, 3223955, 6447910, 12895820]

約数ペア:

[(1, 12895820), (2, 6447910), (4, 3223955), (5, 2579164), (7, 1842260), (10, 1289582), (14, 921130), (20, 644791), (28, 460565), (35, 368452), (49, 263180), (70, 184226), (98, 131590), (140, 92113), (196, 65795), (245, 52636), (490, 26318), (980, 13159)]