2339980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1481}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 4979520

約数和(自身を除く): 2639540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1481, 1580, 2962, 5924, 7405, 14810, 29620, 116999, 233998, 467996, 584995, 1169990, 2339980]

約数ペア:

[(1, 2339980), (2, 1169990), (4, 584995), (5, 467996), (10, 233998), (20, 116999), (79, 29620), (158, 14810), (316, 7405), (395, 5924), (790, 2962), (1481, 1580)]