51238480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27847}}^1$

素因数の和:27883

約数の個数: 40

約数和(自身を含む): 124313472

約数和(自身を除く): 73074992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 27847, 55694, 111388, 139235, 222776, 278470, 445552, 556940, 640481, 1113880, 1280962, 2227760, 2561924, 3202405, 5123848, 6404810, 10247696, 12809620, 25619240, 51238480]

約数ペア:

[(1, 51238480), (2, 25619240), (4, 12809620), (5, 10247696), (8, 6404810), (10, 5123848), (16, 3202405), (20, 2561924), (23, 2227760), (40, 1280962), (46, 1113880), (80, 640481), (92, 556940), (115, 445552), (184, 278470), (230, 222776), (368, 139235), (460, 111388), (920, 55694), (1840, 27847)]