40785220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{919}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 98300160

約数和(自身を除く): 57514940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 634, 919, 1268, 1585, 1838, 2219, 3170, 3676, 4438, 4595, 6340, 6433, 8876, 9190, 11095, 12866, 18380, 22190, 25732, 32165, 44380, 64330, 128660, 291323, 582646, 1165292, 1456615, 2039261, 2913230, 4078522, 5826460, 8157044, 10196305, 20392610, 40785220]

約数ペア:

[(1, 40785220), (2, 20392610), (4, 10196305), (5, 8157044), (7, 5826460), (10, 4078522), (14, 2913230), (20, 2039261), (28, 1456615), (35, 1165292), (70, 582646), (140, 291323), (317, 128660), (634, 64330), (919, 44380), (1268, 32165), (1585, 25732), (1838, 22190), (2219, 18380), (3170, 12866), (3676, 11095), (4438, 9190), (4595, 8876), (6340, 6433)]