39928465

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 51996672

約数和(自身を除く): 12068207

約数列:

[1, 5, 31, 41, 61, 103, 155, 205, 305, 515, 1271, 1891, 2501, 3193, 4223, 6283, 6355, 9455, 12505, 15965, 21115, 31415, 77531, 130913, 194773, 257603, 387655, 654565, 973865, 1288015, 7985693, 39928465]

約数ペア:

[(1, 39928465), (5, 7985693), (31, 1288015), (41, 973865), (61, 654565), (103, 387655), (155, 257603), (205, 194773), (305, 130913), (515, 77531), (1271, 31415), (1891, 21115), (2501, 15965), (3193, 12505), (4223, 9455), (6283, 6355)]