56514320

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6481}}^1$

素因数の和:6603

約数の個数: 40

約数和(自身を含む): 132621720

約数和(自身を除く): 76107400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 6481, 8720, 12962, 25924, 32405, 51848, 64810, 103696, 129620, 259240, 518480, 706429, 1412858, 2825716, 3532145, 5651432, 7064290, 11302864, 14128580, 28257160, 56514320]

約数ペア:

[(1, 56514320), (2, 28257160), (4, 14128580), (5, 11302864), (8, 7064290), (10, 5651432), (16, 3532145), (20, 2825716), (40, 1412858), (80, 706429), (109, 518480), (218, 259240), (436, 129620), (545, 103696), (872, 64810), (1090, 51848), (1744, 32405), (2180, 25924), (4360, 12962), (6481, 8720)]