166169720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101323}}^1$

素因数の和:101375

約数の個数: 32

約数和(自身を含む): 383004720

約数和(自身を除く): 216835000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 101323, 202646, 405292, 506615, 810584, 1013230, 2026460, 4052920, 4154243, 8308486, 16616972, 20771215, 33233944, 41542430, 83084860, 166169720]

約数ペア:

[(1, 166169720), (2, 83084860), (4, 41542430), (5, 33233944), (8, 20771215), (10, 16616972), (20, 8308486), (40, 4154243), (41, 4052920), (82, 2026460), (164, 1013230), (205, 810584), (328, 506615), (410, 405292), (820, 202646), (1640, 101323)]