30840880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55073}}^1$

素因数の和:55093

約数の個数: 40

約数和(自身を含む): 81950112

約数和(自身を除く): 51109232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55073, 110146, 220292, 275365, 385511, 440584, 550730, 771022, 881168, 1101460, 1542044, 1927555, 2202920, 3084088, 3855110, 4405840, 6168176, 7710220, 15420440, 30840880]

約数ペア:

[(1, 30840880), (2, 15420440), (4, 7710220), (5, 6168176), (7, 4405840), (8, 3855110), (10, 3084088), (14, 2202920), (16, 1927555), (20, 1542044), (28, 1101460), (35, 881168), (40, 771022), (56, 550730), (70, 440584), (80, 385511), (112, 275365), (140, 220292), (280, 110146), (560, 55073)]