26978500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 59754240

約数和(自身を除く): 32775740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 683, 790, 1366, 1580, 1975, 2732, 3415, 3950, 6830, 7900, 9875, 13660, 17075, 19750, 34150, 39500, 53957, 68300, 85375, 107914, 170750, 215828, 269785, 341500, 539570, 1079140, 1348925, 2697850, 5395700, 6744625, 13489250, 26978500]

約数ペア:

[(1, 26978500), (2, 13489250), (4, 6744625), (5, 5395700), (10, 2697850), (20, 1348925), (25, 1079140), (50, 539570), (79, 341500), (100, 269785), (125, 215828), (158, 170750), (250, 107914), (316, 85375), (395, 68300), (500, 53957), (683, 39500), (790, 34150), (1366, 19750), (1580, 17075), (1975, 13660), (2732, 9875), (3415, 7900), (3950, 6830)]