8486140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 19418112

約数和(自身を除く): 10931972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 257, 260, 508, 514, 635, 1028, 1270, 1285, 1651, 2540, 2570, 3302, 3341, 5140, 6604, 6682, 8255, 13364, 16510, 16705, 32639, 33020, 33410, 65278, 66820, 130556, 163195, 326390, 424307, 652780, 848614, 1697228, 2121535, 4243070, 8486140]

約数ペア:

[(1, 8486140), (2, 4243070), (4, 2121535), (5, 1697228), (10, 848614), (13, 652780), (20, 424307), (26, 326390), (52, 163195), (65, 130556), (127, 66820), (130, 65278), (254, 33410), (257, 33020), (260, 32639), (508, 16705), (514, 16510), (635, 13364), (1028, 8255), (1270, 6682), (1285, 6604), (1651, 5140), (2540, 3341), (2570, 3302)]