15996826580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{872237}}^1$

素因数の和:872384

約数の個数: 48

約数和(自身を含む): 38685499776

約数和(自身を除く): 22688673196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 9170, 18340, 872237, 1744474, 3488948, 4361185, 6105659, 8722370, 12211318, 17444740, 24422636, 30528295, 61056590, 114263047, 122113180, 228526094, 457052188, 571315235, 799841329, 1142630470, 1599682658, 2285260940, 3199365316, 3999206645, 7998413290, 15996826580]

約数ペア:

[(1, 15996826580), (2, 7998413290), (4, 3999206645), (5, 3199365316), (7, 2285260940), (10, 1599682658), (14, 1142630470), (20, 799841329), (28, 571315235), (35, 457052188), (70, 228526094), (131, 122113180), (140, 114263047), (262, 61056590), (524, 30528295), (655, 24422636), (917, 17444740), (1310, 12211318), (1834, 8722370), (2620, 6105659), (3668, 4361185), (4585, 3488948), (9170, 1744474), (18340, 872237)]