162839680

素因数分解:

$2^7\times 5^1\times {\mathrm{254437}}^1$

素因数の和:254456

約数の個数: 32

約数和(自身を含む): 389290140

約数和(自身を除く): 226450460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 254437, 508874, 1017748, 1272185, 2035496, 2544370, 4070992, 5088740, 8141984, 10177480, 16283968, 20354960, 32567936, 40709920, 81419840, 162839680]

約数ペア:

[(1, 162839680), (2, 81419840), (4, 40709920), (5, 32567936), (8, 20354960), (10, 16283968), (16, 10177480), (20, 8141984), (32, 5088740), (40, 4070992), (64, 2544370), (80, 2035496), (128, 1272185), (160, 1017748), (320, 508874), (640, 254437)]