66404320

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2399}}^1$

素因数の和:2587

約数の個数: 48

約数和(自身を含む): 157852800

約数和(自身を除く): 91448480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 865, 1384, 1730, 2399, 2768, 3460, 4798, 5536, 6920, 9596, 11995, 13840, 19192, 23990, 27680, 38384, 47980, 76768, 95960, 191920, 383840, 415027, 830054, 1660108, 2075135, 3320216, 4150270, 6640432, 8300540, 13280864, 16601080, 33202160, 66404320]

約数ペア:

[(1, 66404320), (2, 33202160), (4, 16601080), (5, 13280864), (8, 8300540), (10, 6640432), (16, 4150270), (20, 3320216), (32, 2075135), (40, 1660108), (80, 830054), (160, 415027), (173, 383840), (346, 191920), (692, 95960), (865, 76768), (1384, 47980), (1730, 38384), (2399, 27680), (2768, 23990), (3460, 19192), (4798, 13840), (5536, 11995), (6920, 9596)]