80747200

素因数分解:

$2^6\times 5^2\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:594

約数の個数: 84

約数和(自身を含む): 200944480

約数和(自身を除く): 120197280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 160, 200, 218, 320, 400, 436, 463, 545, 800, 872, 926, 1090, 1600, 1744, 1852, 2180, 2315, 2725, 3488, 3704, 4360, 4630, 5450, 6976, 7408, 8720, 9260, 10900, 11575, 14816, 17440, 18520, 21800, 23150, 29632, 34880, 37040, 43600, 46300, 50467, 74080, 87200, 92600, 100934, 148160, 174400, 185200, 201868, 252335, 370400, 403736, 504670, 740800, 807472, 1009340, 1261675, 1614944, 2018680, 2523350, 3229888, 4037360, 5046700, 8074720, 10093400, 16149440, 20186800, 40373600, 80747200]

約数ペア:

[(1, 80747200), (2, 40373600), (4, 20186800), (5, 16149440), (8, 10093400), (10, 8074720), (16, 5046700), (20, 4037360), (25, 3229888), (32, 2523350), (40, 2018680), (50, 1614944), (64, 1261675), (80, 1009340), (100, 807472), (109, 740800), (160, 504670), (200, 403736), (218, 370400), (320, 252335), (400, 201868), (436, 185200), (463, 174400), (545, 148160), (800, 100934), (872, 92600), (926, 87200), (1090, 74080), (1600, 50467), (1744, 46300), (1852, 43600), (2180, 37040), (2315, 34880), (2725, 29632), (3488, 23150), (3704, 21800), (4360, 18520), (4630, 17440), (5450, 14816), (6976, 11575), (7408, 10900), (8720, 9260)]