13322440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4691}}^1$

素因数の和:4773

約数の個数: 32

約数和(自身を含む): 30404160

約数和(自身を除く): 17081720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4691, 9382, 18764, 23455, 37528, 46910, 93820, 187640, 333061, 666122, 1332244, 1665305, 2664488, 3330610, 6661220, 13322440]

約数ペア:

[(1, 13322440), (2, 6661220), (4, 3330610), (5, 2664488), (8, 1665305), (10, 1332244), (20, 666122), (40, 333061), (71, 187640), (142, 93820), (284, 46910), (355, 37528), (568, 23455), (710, 18764), (1420, 9382), (2840, 4691)]