56021840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1500

約数の個数: 80

約数和(自身を含む): 151061760

約数和(自身を除く): 95039920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1409, 1420, 1988, 2485, 2818, 2840, 3976, 4970, 5636, 5680, 7045, 7952, 9863, 9940, 11272, 14090, 19726, 19880, 22544, 28180, 39452, 39760, 49315, 56360, 78904, 98630, 100039, 112720, 157808, 197260, 200078, 394520, 400156, 500195, 700273, 789040, 800312, 1000390, 1400546, 1600624, 2000780, 2801092, 3501365, 4001560, 5602184, 7002730, 8003120, 11204368, 14005460, 28010920, 56021840]

約数ペア:

[(1, 56021840), (2, 28010920), (4, 14005460), (5, 11204368), (7, 8003120), (8, 7002730), (10, 5602184), (14, 4001560), (16, 3501365), (20, 2801092), (28, 2000780), (35, 1600624), (40, 1400546), (56, 1000390), (70, 800312), (71, 789040), (80, 700273), (112, 500195), (140, 400156), (142, 394520), (280, 200078), (284, 197260), (355, 157808), (497, 112720), (560, 100039), (568, 98630), (710, 78904), (994, 56360), (1136, 49315), (1409, 39760), (1420, 39452), (1988, 28180), (2485, 22544), (2818, 19880), (2840, 19726), (3976, 14090), (4970, 11272), (5636, 9940), (5680, 9863), (7045, 7952)]