520070825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^2$

素因数の和:326

約数の個数: 36

約数和(自身を含む): 687872640

約数和(自身を除く): 167801815

約数列:

[1, 5, 23, 25, 79, 107, 115, 395, 535, 575, 1817, 1975, 2461, 2675, 8453, 9085, 11449, 12305, 42265, 45425, 57245, 61525, 194419, 211325, 263327, 286225, 904471, 972095, 1316635, 4522355, 4860475, 6583175, 20802833, 22611775, 104014165, 520070825]

約数ペア:

[(1, 520070825), (5, 104014165), (23, 22611775), (25, 20802833), (79, 6583175), (107, 4860475), (115, 4522355), (395, 1316635), (535, 972095), (575, 904471), (1817, 286225), (1975, 263327), (2461, 211325), (2675, 194419), (8453, 61525), (9085, 57245), (11449, 45425), (12305, 42265)]