13307760020

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{479}}^1\times {\mathrm{3571}}^1$

素因数の和:4448

約数の個数: 48

約数和(自身を含む): 28084492800

約数和(自身を除く): 14776732780

約数列:

[1, 2, 4, 5, 10, 20, 389, 479, 778, 958, 1556, 1916, 1945, 2395, 3571, 3890, 4790, 7142, 7780, 9580, 14284, 17855, 35710, 71420, 186331, 372662, 745324, 931655, 1389119, 1710509, 1863310, 2778238, 3421018, 3726620, 5556476, 6842036, 6945595, 8552545, 13891190, 17105090, 27782380, 34210180, 665388001, 1330776002, 2661552004, 3326940005, 6653880010, 13307760020]

約数ペア:

[(1, 13307760020), (2, 6653880010), (4, 3326940005), (5, 2661552004), (10, 1330776002), (20, 665388001), (389, 34210180), (479, 27782380), (778, 17105090), (958, 13891190), (1556, 8552545), (1916, 6945595), (1945, 6842036), (2395, 5556476), (3571, 3726620), (3890, 3421018), (4790, 2778238), (7142, 1863310), (7780, 1710509), (9580, 1389119), (14284, 931655), (17855, 745324), (35710, 372662), (71420, 186331)]