29128748680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{45403}}^1$

素因数の和:45830

約数の個数: 64

約数和(自身を含む): 67245140160

約数和(自身を除く): 38116391480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 373, 430, 746, 860, 1492, 1720, 1865, 2984, 3730, 7460, 14920, 16039, 32078, 45403, 64156, 80195, 90806, 128312, 160390, 181612, 227015, 320780, 363224, 454030, 641560, 908060, 1816120, 1952329, 3904658, 7809316, 9761645, 15618632, 16935319, 19523290, 33870638, 39046580, 67741276, 78093160, 84676595, 135482552, 169353190, 338706380, 677412760, 728218717, 1456437434, 2912874868, 3641093585, 5825749736, 7282187170, 14564374340, 29128748680]

約数ペア:

[(1, 29128748680), (2, 14564374340), (4, 7282187170), (5, 5825749736), (8, 3641093585), (10, 2912874868), (20, 1456437434), (40, 728218717), (43, 677412760), (86, 338706380), (172, 169353190), (215, 135482552), (344, 84676595), (373, 78093160), (430, 67741276), (746, 39046580), (860, 33870638), (1492, 19523290), (1720, 16935319), (1865, 15618632), (2984, 9761645), (3730, 7809316), (7460, 3904658), (14920, 1952329), (16039, 1816120), (32078, 908060), (45403, 641560), (64156, 454030), (80195, 363224), (90806, 320780), (128312, 227015), (160390, 181612)]