81333550

素因数分解:

$2^1\times 5^2\times {\mathrm{853}}^1\times {\mathrm{1907}}^1$

素因数の和:2772

約数の個数: 24

約数和(自身を含む): 151537176

約数和(自身を除く): 70203626

約数列:

[1, 2, 5, 10, 25, 50, 853, 1706, 1907, 3814, 4265, 8530, 9535, 19070, 21325, 42650, 47675, 95350, 1626671, 3253342, 8133355, 16266710, 40666775, 81333550]

約数ペア:

[(1, 81333550), (2, 40666775), (5, 16266710), (10, 8133355), (25, 3253342), (50, 1626671), (853, 95350), (1706, 47675), (1907, 42650), (3814, 21325), (4265, 19070), (8530, 9535)]