90609220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{619}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 205611840

約数和(自身を除く): 115002620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 563, 619, 1126, 1238, 2252, 2476, 2815, 3095, 5630, 6190, 7319, 8047, 11260, 12380, 14638, 16094, 29276, 32188, 36595, 40235, 73190, 80470, 146380, 160940, 348497, 696994, 1393988, 1742485, 3484970, 4530461, 6969940, 9060922, 18121844, 22652305, 45304610, 90609220]

約数ペア:

[(1, 90609220), (2, 45304610), (4, 22652305), (5, 18121844), (10, 9060922), (13, 6969940), (20, 4530461), (26, 3484970), (52, 1742485), (65, 1393988), (130, 696994), (260, 348497), (563, 160940), (619, 146380), (1126, 80470), (1238, 73190), (2252, 40235), (2476, 36595), (2815, 32188), (3095, 29276), (5630, 16094), (6190, 14638), (7319, 12380), (8047, 11260)]