79719920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{142357}}^1$

素因数の和:142377

約数の個数: 40

約数和(自身を含む): 211828704

約数和(自身を除く): 132108784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 142357, 284714, 569428, 711785, 996499, 1138856, 1423570, 1992998, 2277712, 2847140, 3985996, 4982495, 5694280, 7971992, 9964990, 11388560, 15943984, 19929980, 39859960, 79719920]

約数ペア:

[(1, 79719920), (2, 39859960), (4, 19929980), (5, 15943984), (7, 11388560), (8, 9964990), (10, 7971992), (14, 5694280), (16, 4982495), (20, 3985996), (28, 2847140), (35, 2277712), (40, 1992998), (56, 1423570), (70, 1138856), (80, 996499), (112, 711785), (140, 569428), (280, 284714), (560, 142357)]