4000974760

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{353443}}^1$

素因数の和:353737

約数の個数: 32

約数和(自身を含む): 9034028640

約数和(自身を除く): 5033053880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 353443, 706886, 1413772, 1767215, 2827544, 3534430, 7068860, 14137720, 100024369, 200048738, 400097476, 500121845, 800194952, 1000243690, 2000487380, 4000974760]

約数ペア:

[(1, 4000974760), (2, 2000487380), (4, 1000243690), (5, 800194952), (8, 500121845), (10, 400097476), (20, 200048738), (40, 100024369), (283, 14137720), (566, 7068860), (1132, 3534430), (1415, 2827544), (2264, 1767215), (2830, 1413772), (5660, 706886), (11320, 353443)]