987283760

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{18899}}^1$

素因数の和:19565

約数の個数: 40

約数和(自身を含む): 2299071600

約数和(自身を除く): 1311787840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1306, 2612, 3265, 5224, 6530, 10448, 13060, 18899, 26120, 37798, 52240, 75596, 94495, 151192, 188990, 302384, 377980, 755960, 1511920, 12341047, 24682094, 49364188, 61705235, 98728376, 123410470, 197456752, 246820940, 493641880, 987283760]

約数ペア:

[(1, 987283760), (2, 493641880), (4, 246820940), (5, 197456752), (8, 123410470), (10, 98728376), (16, 61705235), (20, 49364188), (40, 24682094), (80, 12341047), (653, 1511920), (1306, 755960), (2612, 377980), (3265, 302384), (5224, 188990), (6530, 151192), (10448, 94495), (13060, 75596), (18899, 52240), (26120, 37798)]