25344020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{911}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 32571628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 911, 1070, 1391, 1822, 2140, 2782, 3644, 4555, 5564, 6955, 9110, 11843, 13910, 18220, 23686, 27820, 47372, 59215, 97477, 118430, 194954, 236860, 389908, 487385, 974770, 1267201, 1949540, 2534402, 5068804, 6336005, 12672010, 25344020]

約数ペア:

[(1, 25344020), (2, 12672010), (4, 6336005), (5, 5068804), (10, 2534402), (13, 1949540), (20, 1267201), (26, 974770), (52, 487385), (65, 389908), (107, 236860), (130, 194954), (214, 118430), (260, 97477), (428, 59215), (535, 47372), (911, 27820), (1070, 23686), (1391, 18220), (1822, 13910), (2140, 11843), (2782, 9110), (3644, 6955), (4555, 5564)]