85713280

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1\times {\mathrm{673}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 206244000

約数和(自身を除く): 120530720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 320, 398, 640, 673, 796, 995, 1346, 1592, 1990, 2692, 3184, 3365, 3980, 5384, 6368, 6730, 7960, 10768, 12736, 13460, 15920, 21536, 25472, 26920, 31840, 43072, 53840, 63680, 86144, 107680, 127360, 133927, 215360, 267854, 430720, 535708, 669635, 1071416, 1339270, 2142832, 2678540, 4285664, 5357080, 8571328, 10714160, 17142656, 21428320, 42856640, 85713280]

約数ペア:

[(1, 85713280), (2, 42856640), (4, 21428320), (5, 17142656), (8, 10714160), (10, 8571328), (16, 5357080), (20, 4285664), (32, 2678540), (40, 2142832), (64, 1339270), (80, 1071416), (128, 669635), (160, 535708), (199, 430720), (320, 267854), (398, 215360), (640, 133927), (673, 127360), (796, 107680), (995, 86144), (1346, 63680), (1592, 53840), (1990, 43072), (2692, 31840), (3184, 26920), (3365, 25472), (3980, 21536), (5384, 15920), (6368, 13460), (6730, 12736), (7960, 10768)]