1551116920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{10627}}^1$

素因数の和:10768

約数の個数: 64

約数和(自身を含む): 3615645600

約数和(自身を除く): 2064528680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 89, 164, 178, 205, 328, 356, 410, 445, 712, 820, 890, 1640, 1780, 3560, 3649, 7298, 10627, 14596, 18245, 21254, 29192, 36490, 42508, 53135, 72980, 85016, 106270, 145960, 212540, 425080, 435707, 871414, 945803, 1742828, 1891606, 2178535, 3485656, 3783212, 4357070, 4729015, 7566424, 8714140, 9458030, 17428280, 18916060, 37832120, 38777923, 77555846, 155111692, 193889615, 310223384, 387779230, 775558460, 1551116920]

約数ペア:

[(1, 1551116920), (2, 775558460), (4, 387779230), (5, 310223384), (8, 193889615), (10, 155111692), (20, 77555846), (40, 38777923), (41, 37832120), (82, 18916060), (89, 17428280), (164, 9458030), (178, 8714140), (205, 7566424), (328, 4729015), (356, 4357070), (410, 3783212), (445, 3485656), (712, 2178535), (820, 1891606), (890, 1742828), (1640, 945803), (1780, 871414), (3560, 435707), (3649, 425080), (7298, 212540), (10627, 145960), (14596, 106270), (18245, 85016), (21254, 72980), (29192, 53135), (36490, 42508)]