40559935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20129}}^1$

素因数の和:20178

約数の個数: 16

約数和(自身を含む): 54109440

約数和(自身を除く): 13549505

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 20129, 100645, 261677, 623999, 1308385, 3119995, 8111987, 40559935]

約数ペア:

[(1, 40559935), (5, 8111987), (13, 3119995), (31, 1308385), (65, 623999), (155, 261677), (403, 100645), (2015, 20129)]