39965510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 82059264

約数和(自身を除く): 42093754

約数列:

[1, 2, 5, 10, 13, 26, 31, 47, 62, 65, 94, 130, 155, 211, 235, 310, 403, 422, 470, 611, 806, 1055, 1222, 1457, 2015, 2110, 2743, 2914, 3055, 4030, 5486, 6110, 6541, 7285, 9917, 13082, 13715, 14570, 18941, 19834, 27430, 32705, 37882, 49585, 65410, 85033, 94705, 99170, 128921, 170066, 189410, 257842, 307427, 425165, 614854, 644605, 850330, 1289210, 1537135, 3074270, 3996551, 7993102, 19982755, 39965510]

約数ペア:

[(1, 39965510), (2, 19982755), (5, 7993102), (10, 3996551), (13, 3074270), (26, 1537135), (31, 1289210), (47, 850330), (62, 644605), (65, 614854), (94, 425165), (130, 307427), (155, 257842), (211, 189410), (235, 170066), (310, 128921), (403, 99170), (422, 94705), (470, 85033), (611, 65410), (806, 49585), (1055, 37882), (1222, 32705), (1457, 27430), (2015, 19834), (2110, 18941), (2743, 14570), (2914, 13715), (3055, 13082), (4030, 9917), (5486, 7285), (6110, 6541)]