15940145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12907}}^1$

素因数の和:12944

約数の個数: 16

約数和(自身を含む): 21685440

約数和(自身を除く): 5745295

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 12907, 64535, 167791, 245233, 838955, 1226165, 3188029, 15940145]

約数ペア:

[(1, 15940145), (5, 3188029), (13, 1226165), (19, 838955), (65, 245233), (95, 167791), (247, 64535), (1235, 12907)]