55661440

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2999}}^1$

素因数の和:3047

約数の個数: 64

約数和(自身を含む): 137700000

約数和(自身を除く): 82038560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1856, 2320, 2999, 3712, 4640, 5998, 9280, 11996, 14995, 18560, 23992, 29990, 47984, 59980, 86971, 95968, 119960, 173942, 191936, 239920, 347884, 383872, 434855, 479840, 695768, 869710, 959680, 1391536, 1739420, 1919360, 2783072, 3478840, 5566144, 6957680, 11132288, 13915360, 27830720, 55661440]

約数ペア:

[(1, 55661440), (2, 27830720), (4, 13915360), (5, 11132288), (8, 6957680), (10, 5566144), (16, 3478840), (20, 2783072), (29, 1919360), (32, 1739420), (40, 1391536), (58, 959680), (64, 869710), (80, 695768), (116, 479840), (128, 434855), (145, 383872), (160, 347884), (232, 239920), (290, 191936), (320, 173942), (464, 119960), (580, 95968), (640, 86971), (928, 59980), (1160, 47984), (1856, 29990), (2320, 23992), (2999, 18560), (3712, 14995), (4640, 11996), (5998, 9280)]