51379960

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9241}}^1$

素因数の和:9391

約数の個数: 32

約数和(自身を含む): 116449200

約数和(自身を除く): 65069240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 9241, 18482, 36964, 46205, 73928, 92410, 184820, 369640, 1284499, 2568998, 5137996, 6422495, 10275992, 12844990, 25689980, 51379960]

約数ペア:

[(1, 51379960), (2, 25689980), (4, 12844990), (5, 10275992), (8, 6422495), (10, 5137996), (20, 2568998), (40, 1284499), (139, 369640), (278, 184820), (556, 92410), (695, 73928), (1112, 46205), (1390, 36964), (2780, 18482), (5560, 9241)]