28290880

素因数分解:

$2^6\times 5^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:647

約数の個数: 56

約数和(自身を含む): 67848480

約数和(自身を除く): 39557600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 211, 320, 419, 422, 838, 844, 1055, 1676, 1688, 2095, 2110, 3352, 3376, 4190, 4220, 6704, 6752, 8380, 8440, 13408, 13504, 16760, 16880, 26816, 33520, 33760, 67040, 67520, 88409, 134080, 176818, 353636, 442045, 707272, 884090, 1414544, 1768180, 2829088, 3536360, 5658176, 7072720, 14145440, 28290880]

約数ペア:

[(1, 28290880), (2, 14145440), (4, 7072720), (5, 5658176), (8, 3536360), (10, 2829088), (16, 1768180), (20, 1414544), (32, 884090), (40, 707272), (64, 442045), (80, 353636), (160, 176818), (211, 134080), (320, 88409), (419, 67520), (422, 67040), (838, 33760), (844, 33520), (1055, 26816), (1676, 16880), (1688, 16760), (2095, 13504), (2110, 13408), (3352, 8440), (3376, 8380), (4190, 6752), (4220, 6704)]