86515480

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19843}}^1$

素因数の和:19963

約数の個数: 32

約数和(自身を含む): 196455600

約数和(自身を除く): 109940120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 19843, 39686, 79372, 99215, 158744, 198430, 396860, 793720, 2162887, 4325774, 8651548, 10814435, 17303096, 21628870, 43257740, 86515480]

約数ペア:

[(1, 86515480), (2, 43257740), (4, 21628870), (5, 17303096), (8, 10814435), (10, 8651548), (20, 4325774), (40, 2162887), (109, 793720), (218, 396860), (436, 198430), (545, 158744), (872, 99215), (1090, 79372), (2180, 39686), (4360, 19843)]