31538000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1213}}^1$

素因数の和:1249

約数の個数: 80

約数和(自身を含む): 82192656

約数和(自身を除く): 50654656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 1000, 1040, 1213, 1300, 1625, 2000, 2426, 2600, 3250, 4852, 5200, 6065, 6500, 9704, 12130, 13000, 15769, 19408, 24260, 26000, 30325, 31538, 48520, 60650, 63076, 78845, 97040, 121300, 126152, 151625, 157690, 242600, 252304, 303250, 315380, 394225, 485200, 606500, 630760, 788450, 1213000, 1261520, 1576900, 1971125, 2426000, 3153800, 3942250, 6307600, 7884500, 15769000, 31538000]

約数ペア:

[(1, 31538000), (2, 15769000), (4, 7884500), (5, 6307600), (8, 3942250), (10, 3153800), (13, 2426000), (16, 1971125), (20, 1576900), (25, 1261520), (26, 1213000), (40, 788450), (50, 630760), (52, 606500), (65, 485200), (80, 394225), (100, 315380), (104, 303250), (125, 252304), (130, 242600), (200, 157690), (208, 151625), (250, 126152), (260, 121300), (325, 97040), (400, 78845), (500, 63076), (520, 60650), (650, 48520), (1000, 31538), (1040, 30325), (1213, 26000), (1300, 24260), (1625, 19408), (2000, 15769), (2426, 13000), (2600, 12130), (3250, 9704), (4852, 6500), (5200, 6065)]