12071920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{21557}}^1$

素因数の和:21577

約数の個数: 40

約数和(自身を含む): 32078304

約数和(自身を除く): 20006384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 21557, 43114, 86228, 107785, 150899, 172456, 215570, 301798, 344912, 431140, 603596, 754495, 862280, 1207192, 1508990, 1724560, 2414384, 3017980, 6035960, 12071920]

約数ペア:

[(1, 12071920), (2, 6035960), (4, 3017980), (5, 2414384), (7, 1724560), (8, 1508990), (10, 1207192), (14, 862280), (16, 754495), (20, 603596), (28, 431140), (35, 344912), (40, 301798), (56, 215570), (70, 172456), (80, 150899), (112, 107785), (140, 86228), (280, 43114), (560, 21557)]