20131027480

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5654783}}^1$

素因数の和:5654883

約数の個数: 32

約数和(自身を含む): 45803750400

約数和(自身を除く): 25672722920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 5654783, 11309566, 22619132, 28273915, 45238264, 56547830, 113095660, 226191320, 503275687, 1006551374, 2013102748, 2516378435, 4026205496, 5032756870, 10065513740, 20131027480]

約数ペア:

[(1, 20131027480), (2, 10065513740), (4, 5032756870), (5, 4026205496), (8, 2516378435), (10, 2013102748), (20, 1006551374), (40, 503275687), (89, 226191320), (178, 113095660), (356, 56547830), (445, 45238264), (712, 28273915), (890, 22619132), (1780, 11309566), (3560, 5654783)]