27688160

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1467

約数の個数: 48

約数和(自身を含む): 65962512

約数和(自身を除く): 38274352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 1321, 2096, 2620, 2642, 4192, 5240, 5284, 6605, 10480, 10568, 13210, 20960, 21136, 26420, 42272, 52840, 105680, 173051, 211360, 346102, 692204, 865255, 1384408, 1730510, 2768816, 3461020, 5537632, 6922040, 13844080, 27688160]

約数ペア:

[(1, 27688160), (2, 13844080), (4, 6922040), (5, 5537632), (8, 3461020), (10, 2768816), (16, 1730510), (20, 1384408), (32, 865255), (40, 692204), (80, 346102), (131, 211360), (160, 173051), (262, 105680), (524, 52840), (655, 42272), (1048, 26420), (1310, 21136), (1321, 20960), (2096, 13210), (2620, 10568), (2642, 10480), (4192, 6605), (5240, 5284)]