7785680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13903}}^1$

素因数の和:13923

約数の個数: 40

約数和(自身を含む): 20689152

約数和(自身を除く): 12903472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 13903, 27806, 55612, 69515, 97321, 111224, 139030, 194642, 222448, 278060, 389284, 486605, 556120, 778568, 973210, 1112240, 1557136, 1946420, 3892840, 7785680]

約数ペア:

[(1, 7785680), (2, 3892840), (4, 1946420), (5, 1557136), (7, 1112240), (8, 973210), (10, 778568), (14, 556120), (16, 486605), (20, 389284), (28, 278060), (35, 222448), (40, 194642), (56, 139030), (70, 111224), (80, 97321), (112, 69515), (140, 55612), (280, 27806), (560, 13903)]