30503920

素因数分解:

$2^4\times 5^1\times {\mathrm{593}}^1\times {\mathrm{643}}^1$

素因数の和:1249

約数の個数: 40

約数和(自身を含む): 71151696

約数和(自身を除く): 40647776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 593, 643, 1186, 1286, 2372, 2572, 2965, 3215, 4744, 5144, 5930, 6430, 9488, 10288, 11860, 12860, 23720, 25720, 47440, 51440, 381299, 762598, 1525196, 1906495, 3050392, 3812990, 6100784, 7625980, 15251960, 30503920]

約数ペア:

[(1, 30503920), (2, 15251960), (4, 7625980), (5, 6100784), (8, 3812990), (10, 3050392), (16, 1906495), (20, 1525196), (40, 762598), (80, 381299), (593, 51440), (643, 47440), (1186, 25720), (1286, 23720), (2372, 12860), (2572, 11860), (2965, 10288), (3215, 9488), (4744, 6430), (5144, 5930)]