534852440

素因数分解:

$2^3\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{6689}}^1$

素因数の和:8699

約数の個数: 32

約数和(自身を含む): 1204200000

約数和(自身を除く): 669347560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1999, 3998, 6689, 7996, 9995, 13378, 15992, 19990, 26756, 33445, 39980, 53512, 66890, 79960, 133780, 267560, 13371311, 26742622, 53485244, 66856555, 106970488, 133713110, 267426220, 534852440]

約数ペア:

[(1, 534852440), (2, 267426220), (4, 133713110), (5, 106970488), (8, 66856555), (10, 53485244), (20, 26742622), (40, 13371311), (1999, 267560), (3998, 133780), (6689, 79960), (7996, 66890), (9995, 53512), (13378, 39980), (15992, 33445), (19990, 26756)]