164610020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{691}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 355510848

約数和(自身を除く): 190900828

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 277, 430, 554, 691, 860, 1108, 1382, 1385, 2764, 2770, 3455, 5540, 6910, 11911, 13820, 23822, 29713, 47644, 59426, 59555, 118852, 119110, 148565, 191407, 238220, 297130, 382814, 594260, 765628, 957035, 1914070, 3828140, 8230501, 16461002, 32922004, 41152505, 82305010, 164610020]

約数ペア:

[(1, 164610020), (2, 82305010), (4, 41152505), (5, 32922004), (10, 16461002), (20, 8230501), (43, 3828140), (86, 1914070), (172, 957035), (215, 765628), (277, 594260), (430, 382814), (554, 297130), (691, 238220), (860, 191407), (1108, 148565), (1382, 119110), (1385, 118852), (2764, 59555), (2770, 59426), (3455, 47644), (5540, 29713), (6910, 23822), (11911, 13820)]