40640195

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 53194752

約数和(自身を除く): 12554557

約数列:

[1, 5, 23, 47, 73, 103, 115, 235, 365, 515, 1081, 1679, 2369, 3431, 4841, 5405, 7519, 8395, 11845, 17155, 24205, 37595, 78913, 111343, 172937, 353393, 394565, 556715, 864685, 1766965, 8128039, 40640195]

約数ペア:

[(1, 40640195), (5, 8128039), (23, 1766965), (47, 864685), (73, 556715), (103, 394565), (115, 353393), (235, 172937), (365, 111343), (515, 78913), (1081, 37595), (1679, 24205), (2369, 17155), (3431, 11845), (4841, 8395), (5405, 7519)]