138033440

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20063}}^1$

素因数の和:20121

約数の個数: 48

約数和(自身を含む): 333704448

約数和(自身を除く): 195671008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 20063, 40126, 80252, 100315, 160504, 200630, 321008, 401260, 642016, 802520, 862709, 1605040, 1725418, 3210080, 3450836, 4313545, 6901672, 8627090, 13803344, 17254180, 27606688, 34508360, 69016720, 138033440]

約数ペア:

[(1, 138033440), (2, 69016720), (4, 34508360), (5, 27606688), (8, 17254180), (10, 13803344), (16, 8627090), (20, 6901672), (32, 4313545), (40, 3450836), (43, 3210080), (80, 1725418), (86, 1605040), (160, 862709), (172, 802520), (215, 642016), (344, 401260), (430, 321008), (688, 200630), (860, 160504), (1376, 100315), (1720, 80252), (3440, 40126), (6880, 20063)]