31402840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112153}}^1$

素因数の和:112171

約数の個数: 32

約数和(自身を含む): 80750880

約数和(自身を除く): 49348040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112153, 224306, 448612, 560765, 785071, 897224, 1121530, 1570142, 2243060, 3140284, 3925355, 4486120, 6280568, 7850710, 15701420, 31402840]

約数ペア:

[(1, 31402840), (2, 15701420), (4, 7850710), (5, 6280568), (7, 4486120), (8, 3925355), (10, 3140284), (14, 2243060), (20, 1570142), (28, 1121530), (35, 897224), (40, 785071), (56, 560765), (70, 448612), (140, 224306), (280, 112153)]