1540806440

素因数分解:

$2^3\times 5^1\times {\mathrm{38520161}}^1$

素因数の和:38520172

約数の個数: 16

約数和(自身を含む): 3466814580

約数和(自身を除く): 1926008140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 38520161, 77040322, 154080644, 192600805, 308161288, 385201610, 770403220, 1540806440]

約数ペア:

[(1, 1540806440), (2, 770403220), (4, 385201610), (5, 308161288), (8, 192600805), (10, 154080644), (20, 77040322), (40, 38520161)]