30831920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55057}}^1$

素因数の和:55077

約数の個数: 40

約数和(自身を含む): 81926304

約数和(自身を除く): 51094384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55057, 110114, 220228, 275285, 385399, 440456, 550570, 770798, 880912, 1101140, 1541596, 1926995, 2202280, 3083192, 3853990, 4404560, 6166384, 7707980, 15415960, 30831920]

約数ペア:

[(1, 30831920), (2, 15415960), (4, 7707980), (5, 6166384), (7, 4404560), (8, 3853990), (10, 3083192), (14, 2202280), (16, 1926995), (20, 1541596), (28, 1101140), (35, 880912), (40, 770798), (56, 550570), (70, 440456), (80, 385399), (112, 275285), (140, 220228), (280, 110114), (560, 55057)]