888920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 2034720

約数和(自身を除く): 1145800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 313, 355, 568, 626, 710, 1252, 1420, 1565, 2504, 2840, 3130, 6260, 12520, 22223, 44446, 88892, 111115, 177784, 222230, 444460, 888920]

約数ペア:

[(1, 888920), (2, 444460), (4, 222230), (5, 177784), (8, 111115), (10, 88892), (20, 44446), (40, 22223), (71, 12520), (142, 6260), (284, 3130), (313, 2840), (355, 2504), (568, 1565), (626, 1420), (710, 1252)]