64898560

素因数分解:

$2^9\times 5^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:375

約数の個数: 80

約数和(自身を含む): 157771152

約数和(自身を除く): 92872592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 251, 256, 320, 404, 502, 505, 512, 640, 808, 1004, 1010, 1255, 1280, 1616, 2008, 2020, 2510, 2560, 3232, 4016, 4040, 5020, 6464, 8032, 8080, 10040, 12928, 16064, 16160, 20080, 25351, 25856, 32128, 32320, 40160, 50702, 51712, 64256, 64640, 80320, 101404, 126755, 128512, 129280, 160640, 202808, 253510, 258560, 321280, 405616, 507020, 642560, 811232, 1014040, 1622464, 2028080, 3244928, 4056160, 6489856, 8112320, 12979712, 16224640, 32449280, 64898560]

約数ペア:

[(1, 64898560), (2, 32449280), (4, 16224640), (5, 12979712), (8, 8112320), (10, 6489856), (16, 4056160), (20, 3244928), (32, 2028080), (40, 1622464), (64, 1014040), (80, 811232), (101, 642560), (128, 507020), (160, 405616), (202, 321280), (251, 258560), (256, 253510), (320, 202808), (404, 160640), (502, 129280), (505, 128512), (512, 126755), (640, 101404), (808, 80320), (1004, 64640), (1010, 64256), (1255, 51712), (1280, 50702), (1616, 40160), (2008, 32320), (2020, 32128), (2510, 25856), (2560, 25351), (3232, 20080), (4016, 16160), (4040, 16064), (5020, 12928), (6464, 10040), (8032, 8080)]