28400440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37369}}^1$

素因数の和:37399

約数の個数: 32

約数和(自身を含む): 67266000

約数和(自身を除く): 38865560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37369, 74738, 149476, 186845, 298952, 373690, 710011, 747380, 1420022, 1494760, 2840044, 3550055, 5680088, 7100110, 14200220, 28400440]

約数ペア:

[(1, 28400440), (2, 14200220), (4, 7100110), (5, 5680088), (8, 3550055), (10, 2840044), (19, 1494760), (20, 1420022), (38, 747380), (40, 710011), (76, 373690), (95, 298952), (152, 186845), (190, 149476), (380, 74738), (760, 37369)]