64944545920

素因数分解:

$2^7\times 5^1\times {\mathrm{12601}}^1\times {\mathrm{8053}}^1$

素因数の和:20673

約数の個数: 64

約数和(自身を含む): 155289657240

約数和(自身を除く): 90345111320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 8053, 12601, 16106, 25202, 32212, 40265, 50404, 63005, 64424, 80530, 100808, 126010, 128848, 161060, 201616, 252020, 257696, 322120, 403232, 504040, 515392, 644240, 806464, 1008080, 1030784, 1288480, 1612928, 2016160, 2576960, 4032320, 5153920, 8064640, 101475853, 202951706, 405903412, 507379265, 811806824, 1014758530, 1623613648, 2029517060, 3247227296, 4059034120, 6494454592, 8118068240, 12988909184, 16236136480, 32472272960, 64944545920]

約数ペア:

[(1, 64944545920), (2, 32472272960), (4, 16236136480), (5, 12988909184), (8, 8118068240), (10, 6494454592), (16, 4059034120), (20, 3247227296), (32, 2029517060), (40, 1623613648), (64, 1014758530), (80, 811806824), (128, 507379265), (160, 405903412), (320, 202951706), (640, 101475853), (8053, 8064640), (12601, 5153920), (16106, 4032320), (25202, 2576960), (32212, 2016160), (40265, 1612928), (50404, 1288480), (63005, 1030784), (64424, 1008080), (80530, 806464), (100808, 644240), (126010, 515392), (128848, 504040), (161060, 403232), (201616, 322120), (252020, 257696)]