132199840

素因数分解:

$2^5\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1289}}^1$

素因数の和:1945

約数の個数: 48

約数和(自身を含む): 313052040

約数和(自身を除く): 180852200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 641, 1282, 1289, 2564, 2578, 3205, 5128, 5156, 6410, 6445, 10256, 10312, 12820, 12890, 20512, 20624, 25640, 25780, 41248, 51280, 51560, 102560, 103120, 206240, 826249, 1652498, 3304996, 4131245, 6609992, 8262490, 13219984, 16524980, 26439968, 33049960, 66099920, 132199840]

約数ペア:

[(1, 132199840), (2, 66099920), (4, 33049960), (5, 26439968), (8, 16524980), (10, 13219984), (16, 8262490), (20, 6609992), (32, 4131245), (40, 3304996), (80, 1652498), (160, 826249), (641, 206240), (1282, 103120), (1289, 102560), (2564, 51560), (2578, 51280), (3205, 41248), (5128, 25780), (5156, 25640), (6410, 20624), (6445, 20512), (10256, 12890), (10312, 12820)]