28144190720

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{709279}}^1$

素因数の和:709331

約数の個数: 72

約数和(自身を含む): 69588879360

約数和(自身を除く): 41444688640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 709279, 1418558, 2837116, 3546395, 5674232, 7092790, 11348464, 14185580, 21987649, 22696928, 28371160, 43975298, 45393856, 56742320, 87950596, 90787712, 109938245, 113484640, 175901192, 181575424, 219876490, 226969280, 351802384, 439752980, 453938560, 703604768, 879505960, 907877120, 1407209536, 1759011920, 2814419072, 3518023840, 5628838144, 7036047680, 14072095360, 28144190720]

約数ペア:

[(1, 28144190720), (2, 14072095360), (4, 7036047680), (5, 5628838144), (8, 3518023840), (10, 2814419072), (16, 1759011920), (20, 1407209536), (31, 907877120), (32, 879505960), (40, 703604768), (62, 453938560), (64, 439752980), (80, 351802384), (124, 226969280), (128, 219876490), (155, 181575424), (160, 175901192), (248, 113484640), (256, 109938245), (310, 90787712), (320, 87950596), (496, 56742320), (620, 45393856), (640, 43975298), (992, 28371160), (1240, 22696928), (1280, 21987649), (1984, 14185580), (2480, 11348464), (3968, 7092790), (4960, 5674232), (7936, 3546395), (9920, 2837116), (19840, 1418558), (39680, 709279)]