2689194820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{333647}}^1$

素因数の和:333700

約数の個数: 48

約数和(自身を含む): 6277920768

約数和(自身を除く): 3588725948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 333647, 667294, 1334588, 1668235, 3336470, 4337411, 6672940, 8674822, 10343057, 17349644, 20686114, 21687055, 41372228, 43374110, 51715285, 86748220, 103430570, 134459741, 206861140, 268919482, 537838964, 672298705, 1344597410, 2689194820]

約数ペア:

[(1, 2689194820), (2, 1344597410), (4, 672298705), (5, 537838964), (10, 268919482), (13, 206861140), (20, 134459741), (26, 103430570), (31, 86748220), (52, 51715285), (62, 43374110), (65, 41372228), (124, 21687055), (130, 20686114), (155, 17349644), (260, 10343057), (310, 8674822), (403, 6672940), (620, 4337411), (806, 3336470), (1612, 1668235), (2015, 1334588), (4030, 667294), (8060, 333647)]