64876480

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6991}}^1$

素因数の和:7037

約数の個数: 56

約数和(自身を含む): 159837120

約数和(自身を除く): 94960640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 6991, 9280, 13982, 27964, 34955, 55928, 69910, 111856, 139820, 202739, 223712, 279640, 405478, 447424, 559280, 810956, 1013695, 1118560, 1621912, 2027390, 2237120, 3243824, 4054780, 6487648, 8109560, 12975296, 16219120, 32438240, 64876480]

約数ペア:

[(1, 64876480), (2, 32438240), (4, 16219120), (5, 12975296), (8, 8109560), (10, 6487648), (16, 4054780), (20, 3243824), (29, 2237120), (32, 2027390), (40, 1621912), (58, 1118560), (64, 1013695), (80, 810956), (116, 559280), (145, 447424), (160, 405478), (232, 279640), (290, 223712), (320, 202739), (464, 139820), (580, 111856), (928, 69910), (1160, 55928), (1856, 34955), (2320, 27964), (4640, 13982), (6991, 9280)]