20131233875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{180347}}^1$

素因数の和:180428

約数の個数: 32

約数和(自身を含む): 27008916480

約数和(自身を除く): 6877682605

約数列:

[1, 5, 19, 25, 47, 95, 125, 235, 475, 893, 1175, 2375, 4465, 5875, 22325, 111625, 180347, 901735, 3426593, 4508675, 8476309, 17132965, 22543375, 42381545, 85664825, 161049871, 211907725, 428324125, 805249355, 1059538625, 4026246775, 20131233875]

約数ペア:

[(1, 20131233875), (5, 4026246775), (19, 1059538625), (25, 805249355), (47, 428324125), (95, 211907725), (125, 161049871), (235, 85664825), (475, 42381545), (893, 22543375), (1175, 17132965), (2375, 8476309), (4465, 4508675), (5875, 3426593), (22325, 901735), (111625, 180347)]