27790760

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2099}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 62748000

約数和(自身を除く): 34957240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2099, 2648, 3310, 4198, 6620, 8396, 10495, 13240, 16792, 20990, 41980, 83960, 694769, 1389538, 2779076, 3473845, 5558152, 6947690, 13895380, 27790760]

約数ペア:

[(1, 27790760), (2, 13895380), (4, 6947690), (5, 5558152), (8, 3473845), (10, 2779076), (20, 1389538), (40, 694769), (331, 83960), (662, 41980), (1324, 20990), (1655, 16792), (2099, 13240), (2648, 10495), (3310, 8396), (4198, 6620)]