52771460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5309}}^1$

素因数の和:5396

約数の個数: 48

約数和(自身を含む): 128459520

約数和(自身を除く): 75688060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 5309, 9940, 10618, 21236, 26545, 37163, 53090, 74326, 106180, 148652, 185815, 371630, 376939, 743260, 753878, 1507756, 1884695, 2638573, 3769390, 5277146, 7538780, 10554292, 13192865, 26385730, 52771460]

約数ペア:

[(1, 52771460), (2, 26385730), (4, 13192865), (5, 10554292), (7, 7538780), (10, 5277146), (14, 3769390), (20, 2638573), (28, 1884695), (35, 1507756), (70, 753878), (71, 743260), (140, 376939), (142, 371630), (284, 185815), (355, 148652), (497, 106180), (710, 74326), (994, 53090), (1420, 37163), (1988, 26545), (2485, 21236), (4970, 10618), (5309, 9940)]