65938340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{253609}}^1$

素因数の和:253631

約数の個数: 24

約数和(自身を含む): 149122680

約数和(自身を除く): 83184340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 253609, 507218, 1014436, 1268045, 2536090, 3296917, 5072180, 6593834, 13187668, 16484585, 32969170, 65938340]

約数ペア:

[(1, 65938340), (2, 32969170), (4, 16484585), (5, 13187668), (10, 6593834), (13, 5072180), (20, 3296917), (26, 2536090), (52, 1268045), (65, 1014436), (130, 507218), (260, 253609)]