134432440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{81971}}^1$

素因数の和:82023

約数の個数: 32

約数和(自身を含む): 309854160

約数和(自身を除く): 175421720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 81971, 163942, 327884, 409855, 655768, 819710, 1639420, 3278840, 3360811, 6721622, 13443244, 16804055, 26886488, 33608110, 67216220, 134432440]

約数ペア:

[(1, 134432440), (2, 67216220), (4, 33608110), (5, 26886488), (8, 16804055), (10, 13443244), (20, 6721622), (40, 3360811), (41, 3278840), (82, 1639420), (164, 819710), (205, 655768), (328, 409855), (410, 327884), (820, 163942), (1640, 81971)]