13951400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 32884800

約数和(自身を除く): 18933400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 883, 1580, 1766, 1975, 3160, 3532, 3950, 4415, 7064, 7900, 8830, 15800, 17660, 22075, 35320, 44150, 69757, 88300, 139514, 176600, 279028, 348785, 558056, 697570, 1395140, 1743925, 2790280, 3487850, 6975700, 13951400]

約数ペア:

[(1, 13951400), (2, 6975700), (4, 3487850), (5, 2790280), (8, 1743925), (10, 1395140), (20, 697570), (25, 558056), (40, 348785), (50, 279028), (79, 176600), (100, 139514), (158, 88300), (200, 69757), (316, 44150), (395, 35320), (632, 22075), (790, 17660), (883, 15800), (1580, 8830), (1766, 7900), (1975, 7064), (3160, 4415), (3532, 3950)]