8431640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{30113}}^1$

素因数の和:30131

約数の個数: 32

約数和(自身を含む): 21682080

約数和(自身を除く): 13250440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 30113, 60226, 120452, 150565, 210791, 240904, 301130, 421582, 602260, 843164, 1053955, 1204520, 1686328, 2107910, 4215820, 8431640]

約数ペア:

[(1, 8431640), (2, 4215820), (4, 2107910), (5, 1686328), (7, 1204520), (8, 1053955), (10, 843164), (14, 602260), (20, 421582), (28, 301130), (35, 240904), (40, 210791), (56, 150565), (70, 120452), (140, 60226), (280, 30113)]