68348540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1321}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 155467200

約数和(自身を除く): 87118660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1321, 1990, 2587, 2642, 3980, 5174, 5284, 6605, 10348, 12935, 13210, 17173, 25870, 26420, 34346, 51740, 68692, 85865, 171730, 262879, 343460, 525758, 1051516, 1314395, 2628790, 3417427, 5257580, 6834854, 13669708, 17087135, 34174270, 68348540]

約数ペア:

[(1, 68348540), (2, 34174270), (4, 17087135), (5, 13669708), (10, 6834854), (13, 5257580), (20, 3417427), (26, 2628790), (52, 1314395), (65, 1051516), (130, 525758), (199, 343460), (260, 262879), (398, 171730), (796, 85865), (995, 68692), (1321, 51740), (1990, 34346), (2587, 26420), (2642, 25870), (3980, 17173), (5174, 13210), (5284, 12935), (6605, 10348)]