90169160

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20681}}^1$

素因数の和:20801

約数の個数: 32

約数和(自身を含む): 204751800

約数和(自身を除く): 114582640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 20681, 41362, 82724, 103405, 165448, 206810, 413620, 827240, 2254229, 4508458, 9016916, 11271145, 18033832, 22542290, 45084580, 90169160]

約数ペア:

[(1, 90169160), (2, 45084580), (4, 22542290), (5, 18033832), (8, 11271145), (10, 9016916), (20, 4508458), (40, 2254229), (109, 827240), (218, 413620), (436, 206810), (545, 165448), (872, 103405), (1090, 82724), (2180, 41362), (4360, 20681)]