64177760

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1901}}^1$

素因数の和:2127

約数の個数: 48

約数和(自身を含む): 152418672

約数和(自身を除く): 88240912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 844, 1055, 1688, 1901, 2110, 3376, 3802, 4220, 6752, 7604, 8440, 9505, 15208, 16880, 19010, 30416, 33760, 38020, 60832, 76040, 152080, 304160, 401111, 802222, 1604444, 2005555, 3208888, 4011110, 6417776, 8022220, 12835552, 16044440, 32088880, 64177760]

約数ペア:

[(1, 64177760), (2, 32088880), (4, 16044440), (5, 12835552), (8, 8022220), (10, 6417776), (16, 4011110), (20, 3208888), (32, 2005555), (40, 1604444), (80, 802222), (160, 401111), (211, 304160), (422, 152080), (844, 76040), (1055, 60832), (1688, 38020), (1901, 33760), (2110, 30416), (3376, 19010), (3802, 16880), (4220, 15208), (6752, 9505), (7604, 8440)]