78848900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 186071424

約数和(自身を除く): 107222524

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 131, 260, 262, 325, 463, 524, 650, 655, 926, 1300, 1310, 1703, 1852, 2315, 2620, 3275, 3406, 4630, 6019, 6550, 6812, 8515, 9260, 11575, 12038, 13100, 17030, 23150, 24076, 30095, 34060, 42575, 46300, 60190, 60653, 85150, 120380, 121306, 150475, 170300, 242612, 300950, 303265, 601900, 606530, 788489, 1213060, 1516325, 1576978, 3032650, 3153956, 3942445, 6065300, 7884890, 15769780, 19712225, 39424450, 78848900]

約数ペア:

[(1, 78848900), (2, 39424450), (4, 19712225), (5, 15769780), (10, 7884890), (13, 6065300), (20, 3942445), (25, 3153956), (26, 3032650), (50, 1576978), (52, 1516325), (65, 1213060), (100, 788489), (130, 606530), (131, 601900), (260, 303265), (262, 300950), (325, 242612), (463, 170300), (524, 150475), (650, 121306), (655, 120380), (926, 85150), (1300, 60653), (1310, 60190), (1703, 46300), (1852, 42575), (2315, 34060), (2620, 30095), (3275, 24076), (3406, 23150), (4630, 17030), (6019, 13100), (6550, 12038), (6812, 11575), (8515, 9260)]