12405820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{12659}}^1$

素因数の和:12682

約数の個数: 36

約数和(自身を含む): 30308040

約数和(自身を除く): 17902220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 12659, 25318, 50636, 63295, 88613, 126590, 177226, 253180, 354452, 443065, 620291, 886130, 1240582, 1772260, 2481164, 3101455, 6202910, 12405820]

約数ペア:

[(1, 12405820), (2, 6202910), (4, 3101455), (5, 2481164), (7, 1772260), (10, 1240582), (14, 886130), (20, 620291), (28, 443065), (35, 354452), (49, 253180), (70, 177226), (98, 126590), (140, 88613), (196, 63295), (245, 50636), (490, 25318), (980, 12659)]