79635640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{284413}}^1$

素因数の和:284431

約数の個数: 32

約数和(自身を含む): 204778080

約数和(自身を除く): 125142440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 284413, 568826, 1137652, 1422065, 1990891, 2275304, 2844130, 3981782, 5688260, 7963564, 9954455, 11376520, 15927128, 19908910, 39817820, 79635640]

約数ペア:

[(1, 79635640), (2, 39817820), (4, 19908910), (5, 15927128), (7, 11376520), (8, 9954455), (10, 7963564), (14, 5688260), (20, 3981782), (28, 2844130), (35, 2275304), (40, 1990891), (56, 1422065), (70, 1137652), (140, 568826), (280, 284413)]