7884500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1213}}^1$

素因数の和:1245

約数の個数: 48

約数和(自身を含む): 18559632

約数和(自身を除く): 10675132

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1213, 1300, 1625, 2426, 3250, 4852, 6065, 6500, 12130, 15769, 24260, 30325, 31538, 60650, 63076, 78845, 121300, 151625, 157690, 303250, 315380, 394225, 606500, 788450, 1576900, 1971125, 3942250, 7884500]

約数ペア:

[(1, 7884500), (2, 3942250), (4, 1971125), (5, 1576900), (10, 788450), (13, 606500), (20, 394225), (25, 315380), (26, 303250), (50, 157690), (52, 151625), (65, 121300), (100, 78845), (125, 63076), (130, 60650), (250, 31538), (260, 30325), (325, 24260), (500, 15769), (650, 12130), (1213, 6500), (1300, 6065), (1625, 4852), (2426, 3250)]