520019920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{928607}}^1$

素因数の和:928627

約数の個数: 40

約数和(自身を含む): 1381768704

約数和(自身を除く): 861748784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 928607, 1857214, 3714428, 4643035, 6500249, 7428856, 9286070, 13000498, 14857712, 18572140, 26000996, 32501245, 37144280, 52001992, 65002490, 74288560, 104003984, 130004980, 260009960, 520019920]

約数ペア:

[(1, 520019920), (2, 260009960), (4, 130004980), (5, 104003984), (7, 74288560), (8, 65002490), (10, 52001992), (14, 37144280), (16, 32501245), (20, 26000996), (28, 18572140), (35, 14857712), (40, 13000498), (56, 9286070), (70, 7428856), (80, 6500249), (112, 4643035), (140, 3714428), (280, 1857214), (560, 928607)]