859820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3307}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 1945104

約数和(自身を除く): 1085284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3307, 6614, 13228, 16535, 33070, 42991, 66140, 85982, 171964, 214955, 429910, 859820]

約数ペア:

[(1, 859820), (2, 429910), (4, 214955), (5, 171964), (10, 85982), (13, 66140), (20, 42991), (26, 33070), (52, 16535), (65, 13228), (130, 6614), (260, 3307)]