64571320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1453}}^1$

素因数の和:1576

約数の個数: 64

約数和(自身を含む): 160172640

約数和(自身を除く): 95601320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 1453, 2020, 2222, 2906, 4040, 4444, 5555, 5812, 7265, 8888, 11110, 11624, 14530, 15983, 22220, 29060, 31966, 44440, 58120, 63932, 79915, 127864, 146753, 159830, 293506, 319660, 587012, 639320, 733765, 1174024, 1467530, 1614283, 2935060, 3228566, 5870120, 6457132, 8071415, 12914264, 16142830, 32285660, 64571320]

約数ペア:

[(1, 64571320), (2, 32285660), (4, 16142830), (5, 12914264), (8, 8071415), (10, 6457132), (11, 5870120), (20, 3228566), (22, 2935060), (40, 1614283), (44, 1467530), (55, 1174024), (88, 733765), (101, 639320), (110, 587012), (202, 319660), (220, 293506), (404, 159830), (440, 146753), (505, 127864), (808, 79915), (1010, 63932), (1111, 58120), (1453, 44440), (2020, 31966), (2222, 29060), (2906, 22220), (4040, 15983), (4444, 14530), (5555, 11624), (5812, 11110), (7265, 8888)]