128301640

素因数分解:

$2^3\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{2593}}^1$

素因数の和:3841

約数の個数: 32

約数和(自身を含む): 289023480

約数和(自身を除く): 160721840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1237, 2474, 2593, 4948, 5186, 6185, 9896, 10372, 12370, 12965, 20744, 24740, 25930, 49480, 51860, 103720, 3207541, 6415082, 12830164, 16037705, 25660328, 32075410, 64150820, 128301640]

約数ペア:

[(1, 128301640), (2, 64150820), (4, 32075410), (5, 25660328), (8, 16037705), (10, 12830164), (20, 6415082), (40, 3207541), (1237, 103720), (2474, 51860), (2593, 49480), (4948, 25930), (5186, 24740), (6185, 20744), (9896, 12965), (10372, 12370)]