65968280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{235601}}^1$

素因数の和:235619

約数の個数: 32

約数和(自身を含む): 169633440

約数和(自身を除く): 103665160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 235601, 471202, 942404, 1178005, 1649207, 1884808, 2356010, 3298414, 4712020, 6596828, 8246035, 9424040, 13193656, 16492070, 32984140, 65968280]

約数ペア:

[(1, 65968280), (2, 32984140), (4, 16492070), (5, 13193656), (7, 9424040), (8, 8246035), (10, 6596828), (14, 4712020), (20, 3298414), (28, 2356010), (35, 1884808), (40, 1649207), (56, 1178005), (70, 942404), (140, 471202), (280, 235601)]