261025074040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383860403}}^1$

素因数の和:383860431

約数の個数: 32

約数和(自身を含む): 621853854480

約数和(自身を除く): 360828780440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 383860403, 767720806, 1535441612, 1919302015, 3070883224, 3838604030, 6525626851, 7677208060, 13051253702, 15354416120, 26102507404, 32628134255, 52205014808, 65256268510, 130512537020, 261025074040]

約数ペア:

[(1, 261025074040), (2, 130512537020), (4, 65256268510), (5, 52205014808), (8, 32628134255), (10, 26102507404), (17, 15354416120), (20, 13051253702), (34, 7677208060), (40, 6525626851), (68, 3838604030), (85, 3070883224), (136, 1919302015), (170, 1535441612), (340, 767720806), (680, 383860403)]