56138080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20639}}^1$

素因数の和:20671

約数の個数: 48

約数和(自身を含む): 140434560

約数和(自身を除く): 84296480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 20639, 41278, 82556, 103195, 165112, 206390, 330224, 350863, 412780, 660448, 701726, 825560, 1403452, 1651120, 1754315, 2806904, 3302240, 3508630, 5613808, 7017260, 11227616, 14034520, 28069040, 56138080]

約数ペア:

[(1, 56138080), (2, 28069040), (4, 14034520), (5, 11227616), (8, 7017260), (10, 5613808), (16, 3508630), (17, 3302240), (20, 2806904), (32, 1754315), (34, 1651120), (40, 1403452), (68, 825560), (80, 701726), (85, 660448), (136, 412780), (160, 350863), (170, 330224), (272, 206390), (340, 165112), (544, 103195), (680, 82556), (1360, 41278), (2720, 20639)]