55827760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16229}}^1$

素因数の和:16285

約数の個数: 40

約数和(自身を含む): 132826320

約数和(自身を除く): 76998560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 16229, 32458, 64916, 81145, 129832, 162290, 259664, 324580, 649160, 697847, 1298320, 1395694, 2791388, 3489235, 5582776, 6978470, 11165552, 13956940, 27913880, 55827760]

約数ペア:

[(1, 55827760), (2, 27913880), (4, 13956940), (5, 11165552), (8, 6978470), (10, 5582776), (16, 3489235), (20, 2791388), (40, 1395694), (43, 1298320), (80, 697847), (86, 649160), (172, 324580), (215, 259664), (344, 162290), (430, 129832), (688, 81145), (860, 64916), (1720, 32458), (3440, 16229)]