64771160

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{6719}}^1$

素因数の和:6971

約数の個数: 32

約数和(自身を含む): 146361600

約数和(自身を除く): 81590440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 6719, 9640, 13438, 26876, 33595, 53752, 67190, 134380, 268760, 1619279, 3238558, 6477116, 8096395, 12954232, 16192790, 32385580, 64771160]

約数ペア:

[(1, 64771160), (2, 32385580), (4, 16192790), (5, 12954232), (8, 8096395), (10, 6477116), (20, 3238558), (40, 1619279), (241, 268760), (482, 134380), (964, 67190), (1205, 53752), (1928, 33595), (2410, 26876), (4820, 13438), (6719, 9640)]