189997803560

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{5856899}}^1$

素因数の和:5857721

約数の個数: 32

約数和(自身を含む): 428022252000

約数和(自身を除く): 238024448440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 4055, 6488, 8110, 16220, 32440, 5856899, 11713798, 23427596, 29284495, 46855192, 58568990, 117137980, 234275960, 4749945089, 9499890178, 18999780356, 23749725445, 37999560712, 47499450890, 94998901780, 189997803560]

約数ペア:

[(1, 189997803560), (2, 94998901780), (4, 47499450890), (5, 37999560712), (8, 23749725445), (10, 18999780356), (20, 9499890178), (40, 4749945089), (811, 234275960), (1622, 117137980), (3244, 58568990), (4055, 46855192), (6488, 29284495), (8110, 23427596), (16220, 11713798), (32440, 5856899)]