668388625

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2801}}^1$

素因数の和:2922

約数の個数: 32

約数和(自身を含む): 881217792

約数和(自身を除く): 212829167

約数列:

[1, 5, 23, 25, 83, 115, 125, 415, 575, 1909, 2075, 2801, 2875, 9545, 10375, 14005, 47725, 64423, 70025, 232483, 238625, 322115, 350125, 1162415, 1610575, 5347109, 5812075, 8052875, 26735545, 29060375, 133677725, 668388625]

約数ペア:

[(1, 668388625), (5, 133677725), (23, 29060375), (25, 26735545), (83, 8052875), (115, 5812075), (125, 5347109), (415, 1610575), (575, 1162415), (1909, 350125), (2075, 322115), (2801, 238625), (2875, 232483), (9545, 70025), (10375, 64423), (14005, 47725)]