81690080

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13799}}^1$

素因数の和:13851

約数の個数: 48

約数和(自身を含む): 198223200

約数和(自身を除く): 116533120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 13799, 27598, 55196, 68995, 110392, 137990, 220784, 275980, 441568, 510563, 551960, 1021126, 1103920, 2042252, 2207840, 2552815, 4084504, 5105630, 8169008, 10211260, 16338016, 20422520, 40845040, 81690080]

約数ペア:

[(1, 81690080), (2, 40845040), (4, 20422520), (5, 16338016), (8, 10211260), (10, 8169008), (16, 5105630), (20, 4084504), (32, 2552815), (37, 2207840), (40, 2042252), (74, 1103920), (80, 1021126), (148, 551960), (160, 510563), (185, 441568), (296, 275980), (370, 220784), (592, 137990), (740, 110392), (1184, 68995), (1480, 55196), (2960, 27598), (5920, 13799)]