853666480

素因数分解:

$2^4\times 5^1\times {\mathrm{2087}}^1\times {\mathrm{5113}}^1$

素因数の和:7213

約数の個数: 40

約数和(自身を含む): 1986113952

約数和(自身を除く): 1132447472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2087, 4174, 5113, 8348, 10226, 10435, 16696, 20452, 20870, 25565, 33392, 40904, 41740, 51130, 81808, 83480, 102260, 166960, 204520, 409040, 10670831, 21341662, 42683324, 53354155, 85366648, 106708310, 170733296, 213416620, 426833240, 853666480]

約数ペア:

[(1, 853666480), (2, 426833240), (4, 213416620), (5, 170733296), (8, 106708310), (10, 85366648), (16, 53354155), (20, 42683324), (40, 21341662), (80, 10670831), (2087, 409040), (4174, 204520), (5113, 166960), (8348, 102260), (10226, 83480), (10435, 81808), (16696, 51130), (20452, 41740), (20870, 40904), (25565, 33392)]