7854640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2089}}^1$

素因数の和:2149

約数の個数: 40

約数和(自身を含む): 18659520

約数和(自身を除く): 10804880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 2089, 3760, 4178, 8356, 10445, 16712, 20890, 33424, 41780, 83560, 98183, 167120, 196366, 392732, 490915, 785464, 981830, 1570928, 1963660, 3927320, 7854640]

約数ペア:

[(1, 7854640), (2, 3927320), (4, 1963660), (5, 1570928), (8, 981830), (10, 785464), (16, 490915), (20, 392732), (40, 196366), (47, 167120), (80, 98183), (94, 83560), (188, 41780), (235, 33424), (376, 20890), (470, 16712), (752, 10445), (940, 8356), (1880, 4178), (2089, 3760)]