20074480

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{719}}^1$

素因数の和:1081

約数の個数: 40

約数和(自身を含む): 46872000

約数和(自身を除く): 26797520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 719, 1396, 1438, 1745, 2792, 2876, 3490, 3595, 5584, 5752, 6980, 7190, 11504, 13960, 14380, 27920, 28760, 57520, 250931, 501862, 1003724, 1254655, 2007448, 2509310, 4014896, 5018620, 10037240, 20074480]

約数ペア:

[(1, 20074480), (2, 10037240), (4, 5018620), (5, 4014896), (8, 2509310), (10, 2007448), (16, 1254655), (20, 1003724), (40, 501862), (80, 250931), (349, 57520), (698, 28760), (719, 27920), (1396, 14380), (1438, 13960), (1745, 11504), (2792, 7190), (2876, 6980), (3490, 5752), (3595, 5584)]