78561040

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1277}}^1$

素因数の和:2059

約数の個数: 40

約数和(自身を含む): 183035160

約数和(自身を除く): 104474120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1277, 1538, 2554, 3076, 3845, 5108, 6152, 6385, 7690, 10216, 12304, 12770, 15380, 20432, 25540, 30760, 51080, 61520, 102160, 982013, 1964026, 3928052, 4910065, 7856104, 9820130, 15712208, 19640260, 39280520, 78561040]

約数ペア:

[(1, 78561040), (2, 39280520), (4, 19640260), (5, 15712208), (8, 9820130), (10, 7856104), (16, 4910065), (20, 3928052), (40, 1964026), (80, 982013), (769, 102160), (1277, 61520), (1538, 51080), (2554, 30760), (3076, 25540), (3845, 20432), (5108, 15380), (6152, 12770), (6385, 12304), (7690, 10216)]