25373560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10399}}^1$

素因数の和:10471

約数の個数: 32

約数和(自身を含む): 58032000

約数和(自身を除く): 32658440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 10399, 20798, 41596, 51995, 83192, 103990, 207980, 415960, 634339, 1268678, 2537356, 3171695, 5074712, 6343390, 12686780, 25373560]

約数ペア:

[(1, 25373560), (2, 12686780), (4, 6343390), (5, 5074712), (8, 3171695), (10, 2537356), (20, 1268678), (40, 634339), (61, 415960), (122, 207980), (244, 103990), (305, 83192), (488, 51995), (610, 41596), (1220, 20798), (2440, 10399)]