23658640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7213}}^1$

素因数の和:7267

約数の個数: 40

約数和(自身を含む): 56355768

約数和(自身を除く): 32697128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 7213, 14426, 28852, 36065, 57704, 72130, 115408, 144260, 288520, 295733, 577040, 591466, 1182932, 1478665, 2365864, 2957330, 4731728, 5914660, 11829320, 23658640]

約数ペア:

[(1, 23658640), (2, 11829320), (4, 5914660), (5, 4731728), (8, 2957330), (10, 2365864), (16, 1478665), (20, 1182932), (40, 591466), (41, 577040), (80, 295733), (82, 288520), (164, 144260), (205, 115408), (328, 72130), (410, 57704), (656, 36065), (820, 28852), (1640, 14426), (3280, 7213)]