51563680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{6577}}^1$

素因数の和:6606

約数の個数: 72

約数和(自身を含む): 141729588

約数和(自身を除く): 90165908

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 6577, 7840, 13154, 26308, 32885, 46039, 52616, 65770, 92078, 105232, 131540, 184156, 210464, 230195, 263080, 322273, 368312, 460390, 526160, 644546, 736624, 920780, 1052320, 1289092, 1473248, 1611365, 1841560, 2578184, 3222730, 3683120, 5156368, 6445460, 7366240, 10312736, 12890920, 25781840, 51563680]

約数ペア:

[(1, 51563680), (2, 25781840), (4, 12890920), (5, 10312736), (7, 7366240), (8, 6445460), (10, 5156368), (14, 3683120), (16, 3222730), (20, 2578184), (28, 1841560), (32, 1611365), (35, 1473248), (40, 1289092), (49, 1052320), (56, 920780), (70, 736624), (80, 644546), (98, 526160), (112, 460390), (140, 368312), (160, 322273), (196, 263080), (224, 230195), (245, 210464), (280, 184156), (392, 131540), (490, 105232), (560, 92078), (784, 65770), (980, 52616), (1120, 46039), (1568, 32885), (1960, 26308), (3920, 13154), (6577, 7840)]