5040104980

素因数分解:

$2^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{126827}}^1$

素因数の和:128823

約数の個数: 24

約数和(自身を含む): 10589630688

約数和(自身を除く): 5549525708

約数列:

[1, 2, 4, 5, 10, 20, 1987, 3974, 7948, 9935, 19870, 39740, 126827, 253654, 507308, 634135, 1268270, 2536540, 252005249, 504010498, 1008020996, 1260026245, 2520052490, 5040104980]

約数ペア:

[(1, 5040104980), (2, 2520052490), (4, 1260026245), (5, 1008020996), (10, 504010498), (20, 252005249), (1987, 2536540), (3974, 1268270), (7948, 634135), (9935, 507308), (19870, 253654), (39740, 126827)]