1278680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2459}}^1$

素因数の和:2483

約数の個数: 32

約数和(自身を含む): 3099600

約数和(自身を除く): 1820920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2459, 4918, 9836, 12295, 19672, 24590, 31967, 49180, 63934, 98360, 127868, 159835, 255736, 319670, 639340, 1278680]

約数ペア:

[(1, 1278680), (2, 639340), (4, 319670), (5, 255736), (8, 159835), (10, 127868), (13, 98360), (20, 63934), (26, 49180), (40, 31967), (52, 24590), (65, 19672), (104, 12295), (130, 9836), (260, 4918), (520, 2459)]