28554080

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{997}}^1$

素因数の和:1191

約数の個数: 48

約数和(自身を含む): 67903920

約数和(自身を除く): 39349840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 997, 1432, 1790, 1994, 2864, 3580, 3988, 4985, 5728, 7160, 7976, 9970, 14320, 15952, 19940, 28640, 31904, 39880, 79760, 159520, 178463, 356926, 713852, 892315, 1427704, 1784630, 2855408, 3569260, 5710816, 7138520, 14277040, 28554080]

約数ペア:

[(1, 28554080), (2, 14277040), (4, 7138520), (5, 5710816), (8, 3569260), (10, 2855408), (16, 1784630), (20, 1427704), (32, 892315), (40, 713852), (80, 356926), (160, 178463), (179, 159520), (358, 79760), (716, 39880), (895, 31904), (997, 28640), (1432, 19940), (1790, 15952), (1994, 14320), (2864, 9970), (3580, 7976), (3988, 7160), (4985, 5728)]