28336240

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2789}}^1$

素因数の和:2929

約数の個数: 40

約数和(自身を含む): 66424320

約数和(自身を除く): 38088080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 2789, 5080, 5578, 10160, 11156, 13945, 22312, 27890, 44624, 55780, 111560, 223120, 354203, 708406, 1416812, 1771015, 2833624, 3542030, 5667248, 7084060, 14168120, 28336240]

約数ペア:

[(1, 28336240), (2, 14168120), (4, 7084060), (5, 5667248), (8, 3542030), (10, 2833624), (16, 1771015), (20, 1416812), (40, 708406), (80, 354203), (127, 223120), (254, 111560), (508, 55780), (635, 44624), (1016, 27890), (1270, 22312), (2032, 13945), (2540, 11156), (2789, 10160), (5080, 5578)]