53400875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 73861632

約数和(自身を除く): 20460757

約数列:

[1, 5, 11, 25, 55, 71, 125, 275, 355, 547, 781, 1375, 1775, 2735, 3905, 6017, 8875, 13675, 19525, 30085, 38837, 68375, 97625, 150425, 194185, 427207, 752125, 970925, 2136035, 4854625, 10680175, 53400875]

約数ペア:

[(1, 53400875), (5, 10680175), (11, 4854625), (25, 2136035), (55, 970925), (71, 752125), (125, 427207), (275, 194185), (355, 150425), (547, 97625), (781, 68375), (1375, 38837), (1775, 30085), (2735, 19525), (3905, 13675), (6017, 8875)]