172747760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52667}}^1$

素因数の和:52721

約数の個数: 40

約数和(自身を含む): 411442416

約数和(自身を除く): 238694656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 52667, 105334, 210668, 263335, 421336, 526670, 842672, 1053340, 2106680, 2159347, 4213360, 4318694, 8637388, 10796735, 17274776, 21593470, 34549552, 43186940, 86373880, 172747760]

約数ペア:

[(1, 172747760), (2, 86373880), (4, 43186940), (5, 34549552), (8, 21593470), (10, 17274776), (16, 10796735), (20, 8637388), (40, 4318694), (41, 4213360), (80, 2159347), (82, 2106680), (164, 1053340), (205, 842672), (328, 526670), (410, 421336), (656, 263335), (820, 210668), (1640, 105334), (3280, 52667)]