27145220

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3889}}^1$

素因数の和:4247

約数の個数: 24

約数和(自身を含む): 57183000

約数和(自身を除く): 30037780

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 3889, 6980, 7778, 15556, 19445, 38890, 77780, 1357261, 2714522, 5429044, 6786305, 13572610, 27145220]

約数ペア:

[(1, 27145220), (2, 13572610), (4, 6786305), (5, 5429044), (10, 2714522), (20, 1357261), (349, 77780), (698, 38890), (1396, 19445), (1745, 15556), (3490, 7778), (3889, 6980)]