28755440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51349}}^1$

素因数の和:51369

約数の個数: 40

約数和(自身を含む): 76408800

約数和(自身を除く): 47653360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51349, 102698, 205396, 256745, 359443, 410792, 513490, 718886, 821584, 1026980, 1437772, 1797215, 2053960, 2875544, 3594430, 4107920, 5751088, 7188860, 14377720, 28755440]

約数ペア:

[(1, 28755440), (2, 14377720), (4, 7188860), (5, 5751088), (7, 4107920), (8, 3594430), (10, 2875544), (14, 2053960), (16, 1797215), (20, 1437772), (28, 1026980), (35, 821584), (40, 718886), (56, 513490), (70, 410792), (80, 359443), (112, 256745), (140, 205396), (280, 102698), (560, 51349)]