17490040

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1321}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 39501360

約数和(自身を除く): 22011320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1321, 1324, 1655, 2642, 2648, 3310, 5284, 6605, 6620, 10568, 13210, 13240, 26420, 52840, 437251, 874502, 1749004, 2186255, 3498008, 4372510, 8745020, 17490040]

約数ペア:

[(1, 17490040), (2, 8745020), (4, 4372510), (5, 3498008), (8, 2186255), (10, 1749004), (20, 874502), (40, 437251), (331, 52840), (662, 26420), (1321, 13240), (1324, 13210), (1655, 10568), (2642, 6620), (2648, 6605), (3310, 5284)]