15949880

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1409}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 36039600

約数和(自身を除く): 20089720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1409, 1415, 2264, 2818, 2830, 5636, 5660, 7045, 11272, 11320, 14090, 28180, 56360, 398747, 797494, 1594988, 1993735, 3189976, 3987470, 7974940, 15949880]

約数ペア:

[(1, 15949880), (2, 7974940), (4, 3987470), (5, 3189976), (8, 1993735), (10, 1594988), (20, 797494), (40, 398747), (283, 56360), (566, 28180), (1132, 14090), (1409, 11320), (1415, 11272), (2264, 7045), (2818, 5660), (2830, 5636)]