65724620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{563}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 149234400

約数和(自身を除く): 83509780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 449, 563, 898, 1126, 1796, 2245, 2252, 2815, 4490, 5630, 5837, 7319, 8980, 11260, 11674, 14638, 23348, 29185, 29276, 36595, 58370, 73190, 116740, 146380, 252787, 505574, 1011148, 1263935, 2527870, 3286231, 5055740, 6572462, 13144924, 16431155, 32862310, 65724620]

約数ペア:

[(1, 65724620), (2, 32862310), (4, 16431155), (5, 13144924), (10, 6572462), (13, 5055740), (20, 3286231), (26, 2527870), (52, 1263935), (65, 1011148), (130, 505574), (260, 252787), (449, 146380), (563, 116740), (898, 73190), (1126, 58370), (1796, 36595), (2245, 29276), (2252, 29185), (2815, 23348), (4490, 14638), (5630, 11674), (5837, 11260), (7319, 8980)]