12839480

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1613}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 29052000

約数和(自身を除く): 16212520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1613, 1990, 3226, 3980, 6452, 7960, 8065, 12904, 16130, 32260, 64520, 320987, 641974, 1283948, 1604935, 2567896, 3209870, 6419740, 12839480]

約数ペア:

[(1, 12839480), (2, 6419740), (4, 3209870), (5, 2567896), (8, 1604935), (10, 1283948), (20, 641974), (40, 320987), (199, 64520), (398, 32260), (796, 16130), (995, 12904), (1592, 8065), (1613, 7960), (1990, 6452), (3226, 3980)]