28297750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8707}}^1$

素因数の和:8737

約数の個数: 32

約数和(自身を含む): 57054816

約数和(自身を除く): 28757066

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 8707, 17414, 43535, 87070, 113191, 217675, 226382, 435350, 565955, 1088375, 1131910, 2176750, 2829775, 5659550, 14148875, 28297750]

約数ペア:

[(1, 28297750), (2, 14148875), (5, 5659550), (10, 2829775), (13, 2176750), (25, 1131910), (26, 1088375), (50, 565955), (65, 435350), (125, 226382), (130, 217675), (250, 113191), (325, 87070), (650, 43535), (1625, 17414), (3250, 8707)]