13450280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10847}}^1$

素因数の和:10889

約数の個数: 32

約数和(自身を含む): 31242240

約数和(自身を除く): 17791960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10847, 21694, 43388, 54235, 86776, 108470, 216940, 336257, 433880, 672514, 1345028, 1681285, 2690056, 3362570, 6725140, 13450280]

約数ペア:

[(1, 13450280), (2, 6725140), (4, 3362570), (5, 2690056), (8, 1681285), (10, 1345028), (20, 672514), (31, 433880), (40, 336257), (62, 216940), (124, 108470), (155, 86776), (248, 54235), (310, 43388), (620, 21694), (1240, 10847)]