16019920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{28607}}^1$

素因数の和:28627

約数の個数: 40

約数和(自身を含む): 42568704

約数和(自身を除く): 26548784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 28607, 57214, 114428, 143035, 200249, 228856, 286070, 400498, 457712, 572140, 800996, 1001245, 1144280, 1601992, 2002490, 2288560, 3203984, 4004980, 8009960, 16019920]

約数ペア:

[(1, 16019920), (2, 8009960), (4, 4004980), (5, 3203984), (7, 2288560), (8, 2002490), (10, 1601992), (14, 1144280), (16, 1001245), (20, 800996), (28, 572140), (35, 457712), (40, 400498), (56, 286070), (70, 228856), (80, 200249), (112, 143035), (140, 114428), (280, 57214), (560, 28607)]