28759480

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3613}}^1$

素因数の和:3823

約数の個数: 32

約数和(自身を含む): 65052000

約数和(自身を除く): 36292520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3613, 3980, 7226, 7960, 14452, 18065, 28904, 36130, 72260, 144520, 718987, 1437974, 2875948, 3594935, 5751896, 7189870, 14379740, 28759480]

約数ペア:

[(1, 28759480), (2, 14379740), (4, 7189870), (5, 5751896), (8, 3594935), (10, 2875948), (20, 1437974), (40, 718987), (199, 144520), (398, 72260), (796, 36130), (995, 28904), (1592, 18065), (1990, 14452), (3613, 7960), (3980, 7226)]