28131760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15289}}^1$

素因数の和:15325

約数の個数: 40

約数和(自身を含む): 68254560

約数和(自身を除く): 40122800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15289, 30578, 61156, 76445, 122312, 152890, 244624, 305780, 351647, 611560, 703294, 1223120, 1406588, 1758235, 2813176, 3516470, 5626352, 7032940, 14065880, 28131760]

約数ペア:

[(1, 28131760), (2, 14065880), (4, 7032940), (5, 5626352), (8, 3516470), (10, 2813176), (16, 1758235), (20, 1406588), (23, 1223120), (40, 703294), (46, 611560), (80, 351647), (92, 305780), (115, 244624), (184, 152890), (230, 122312), (368, 76445), (460, 61156), (920, 30578), (1840, 15289)]