71408440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61559}}^1$

素因数の和:61599

約数の個数: 32

約数和(自身を含む): 166212000

約数和(自身を除く): 94803560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 61559, 123118, 246236, 307795, 492472, 615590, 1231180, 1785211, 2462360, 3570422, 7140844, 8926055, 14281688, 17852110, 35704220, 71408440]

約数ペア:

[(1, 71408440), (2, 35704220), (4, 17852110), (5, 14281688), (8, 8926055), (10, 7140844), (20, 3570422), (29, 2462360), (40, 1785211), (58, 1231180), (116, 615590), (145, 492472), (232, 307795), (290, 246236), (580, 123118), (1160, 61559)]