28955000

素因数分解:

$2^3\times 5^4\times {\mathrm{5791}}^1$

素因数の和:5817

約数の個数: 40

約数和(自身を含む): 67853280

約数和(自身を除く): 38898280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5791, 11582, 23164, 28955, 46328, 57910, 115820, 144775, 231640, 289550, 579100, 723875, 1158200, 1447750, 2895500, 3619375, 5791000, 7238750, 14477500, 28955000]

約数ペア:

[(1, 28955000), (2, 14477500), (4, 7238750), (5, 5791000), (8, 3619375), (10, 2895500), (20, 1447750), (25, 1158200), (40, 723875), (50, 579100), (100, 289550), (125, 231640), (200, 144775), (250, 115820), (500, 57910), (625, 46328), (1000, 28955), (1250, 23164), (2500, 11582), (5000, 5791)]